#mast
- Abota (proper name) — An extremely rare Romanian proper family name or historical first name, recorded in historical onomastics and old lexicons as a variant derived partially from the Hebrew root 'abba' (father) or through Cuman/Slavic lines; a hypocoristic form or regional modification historically linked to old anthroponyms in Moldavia and Transylvania.
- Abradu (historical proper name) — An extremely rare historical Romanian anthroponym recorded in traditional onomastics and specialized dictionaries; (in history) a form derived through contamination or phonetic variation from the proper name Abrud or associated with the root 'Bradu'; (toponym) a name historically documented in connection with certain ruins or ancient settlements in the Oltenia region, verified in archival linguistic sources.
- Abramescu (surname) — A traditional Romanian surname formed as a patronymic name; it indicates lineage or descent from an ancestor or head of family named Abram or Avram; historically borne by various personalities in Romanian academia, military, or culture, most notably General Gheorghe Abramescu (1884–1945), an elite military commander during World War II.
- Abrudan — A common Romanian surname, predominantly widespread in the Transylvania region (especially in Bihor, Cluj, Alba, and Arad counties), originally formed as a demonym to designate a person originating from the town or region of Abrud.
- Abruzachie — (Archaic) An old onomastic variant or localized hybrid form of the masculine given name Ambrozie or surnames like Bruzachie, found in 18th and 19th-century administrative and boyar documents from Moldavia.
- Guilelessness — A term deeply embedded in historical and spiritual resonance, derived from Greek, literally meaning 'guilelessness' or 'innocence'. In the Eastern Orthodox ecclesiastical and cultural context, it evokes the virtue of spiritual purity and absolute humility, historically used both as a proper name associated with martyric figures or hierarchs of the Byzantine era, and as an abstract symbol of detachment from worldly passions in ascetic literature.
- Acromastitis — Acute or chronic inflammation of the nipple; a pathological process strictly localized within the superficial tissue structures of the mammary nipple and areola. This clinical condition manifests through pronounced erythema, localized edema, sharp tenderness, and cutaneous fissures, frequently occurring during lactation due to microtraumas or secondary bacterial infections.
- Xenia — A regional and archaic onomastic variant of the feminine proper name 'Xenia' or 'Axenia', of Greek origin (derived from 'Xenia', meaning hospitality, warm welcome, or foreigner). In the Romanian cultural space, it is primarily found in traditional rural communities or old church documents, designating a female person and retaining a strong historical and spiritual connotation.
- Acsica — A hypocoristic and diminutive form of the feminine proper name Acsenia or Axenia, used in a family or colloquial context to express affection, closeness, and familiarity. It is a specific term of traditional Romanian onomastics, especially found in past rural communities where long names were adapted through popular suffixes to become easier to pronounce in daily life.
- Watercolorist — A visual artist, painter, or graphic designer specializing in creating artworks using the watercolor technique; as an adjective, it describes the quality of a creator or a style focused on water-based painting. This specialist masters fluid dynamics and paper absorption, being capable of executing quick, spontaneous compositions before the wet pigments structurally dry.
- Female watercolorist — The feminine form of the term 'acvarelist'; a female visual artist or painter specializing in the watercolor technique, creating compositions by diluting colored pigments in water; as an adjective, it describes a feminine style or artwork characterized by transparency and fluidity. This specialist precisely controls the absorption level of the paper medium to create delicate chromatic effects before the layers structurally dry.
- Aquilina — A proper feminine given name of Latin origin, structurally derived from the adjective 'aquilinus', carrying the etymological meaning of 'sharp as an eagle', 'proud', or 'eagle-like'; also, the name of a holy martyr celebrated in the Christian calendar. This proper name evokes traits of nobility, spiritual strength, and agility, having been historically used across the European and Romanian regions.
- Ada — A proper feminine given name with multiple origins, found in Germanic languages as a hypocoristic form for noble names like Adelheid, meaning 'noble' or 'kind', and in Hebrew carrying the meaning of 'ornament' or 'beauty'. This proper name holds significant historical and cultural importance, being borne by prominent figures such as Ada Lovelace, considered the first computer programmer in history.
- Adăman — A Romanian surname constructed on an augmentative or derivative template from the base name Adam or its regional variant Adăm. This patronymic is predominantly widespread in certain rural areas, preserving within its structure the specific onomastic suffix that often indicates membership in a stable family clan or descent from a prominent ancestor.
- Adamescu — A widespread Romanian surname, derived through suffixation from the given name Adam. It has been borne by important figures in Romania's history, culture, and economy, notably Gheorghe Adamescu (1869–1942), a literary historian, bibliographer, and corresponding member of the Romanian Academy, known for his fundamental works on national literary history.
- Adămoiu — A Romanian surname constructed on a hypocoristic or derivative template from the base name Adam or its regional variant Adăm. This patronymic is distributed across certain historical zones of Romania, preserving within its component the traditional onomastic suffix indicating direct paternal filiation or membership in an old family lineage within the community.
- Adamovici — A surname of Slavic origin (Serbian, Croatian, or Ukrainian), also found within the Romanian cultural space, particularly in the historical regions of Banat, Bukovina, and Moldavia. The name is borne by various historical, literary, and scientific figures across Eastern Europe, constructed on a patronymic template indicating direct descent from an ancestor named Adam.
- Adams — An Anglo-Saxon surname extremely widespread across English-speaking countries, literally meaning 'son of Adam'. The name is closely tied to world history due to massive figures such as American presidents John Adams and John Quincy Adams, writer Douglas Adams, or photographer Ansel Adams, also serving as a toponym for various towns and landforms.
- Adamul — An archaic or regional definite form of the proper name Adam, historically used in isolated rural communities to designate a prominent individual, a head of a family, or a local toponym (such as an estate, hill, or forest that belonged to an ancestor with this name). The term is analyzed in historical onomastics to study how the direct articulation of given names contributed to the stabilization of Romanian surnames.
- Adămuț — A Romanian surname widespread across various regions of the country, constructed as a hypocoristic or diminutive derivative from the masculine given name Adam or its regional variant Adăm. This patronymic preserves within its structure the traditional onomastic suffix that initially denoted affection, direct paternal filiation (son of little Adam), or membership in a specific family lineage within the rural community.