#proper noun

• Absalom — A masculine proper name of Hebrew origin (Avshalom, meaning 'father of peace'), borne by the third son of King David, famous for his exceptional physical beauty, his extremely long hair, and his tragic death (caught by his hair in the branches of an oak tree during a rebellion against his father). In early psychoanalytic semiology and metaphorical psychopathology, the name has been occasionally used to describe unresolved parental conflicts, destructive narcissistic pride, or the complex of violent rebellion against paternal authority.
• Abyssinia — The historical and traditional name under which the Ethiopian Empire and the Horn of Africa region were known in European cartographic, political, and diplomatic documents until the mid-20th century.
• ABO system — The major human blood group classification system (A, B, AB, and O), genetically determined by the presence or absence of specific antigens (agglutinogens) on the surface of red blood cells and antibodies (agglutinins) in the plasma. In modern medical lexicon, it functions as an invariable proper noun used to identify transfusion compatibility.
• Abobra genus — A monotypic taxonomic genus of perennial climbing plants in the family Cucurbitaceae, whose sole recognized species is Abobra tenuifolia (commonly known as the cranberry gourd). Native to South America (Brazil, Argentina, Uruguay), it is partially cultivated in European greenhouses or botanical gardens as an ornamental plant due to its fine foliage and intense red spherical fruits at maturity.
• Abolla cloak — A thick woolen cloak or cape worn in Antiquity by Roman soldiers and officers. Later, the garment was adopted by Stoic and Cynic philosophers in the Roman Empire, becoming a distinctive symbol of austere status, wisdom, or senatorial rank.
• Abomey — A historical city in southern Benin, renowned as the former political and administrative capital of the powerful West African Kingdom of Dahomey (founded in the 17th century). The locality houses the complex of the Royal Palaces of Abomey, a UNESCO World Heritage site, which serves as a cultural testament to African monarchical dynasties and colonial resistance.
• 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.
• Abovian — A proper name of Armenian origin used both as a family name and a geographical designation; (toponym) a major industrial city in Armenia located in the Kotayk Province, considered an important satellite to the capital Yerevan; (anthroponym) a famous surname, most notably borne by Khachatur Abovian (1805–1848), an Armenian writer, democratic enlightener, ethnographer, and the father of modern Armenian literature.
• Abraham — A graphical, etymological, or archaic variant of the biblical masculine proper name Avraam (Abraham); according to religious and historical texts, he is the first of the three patriarchs of Judaism, Christianity, and Islam (the Abrahamic religions), renowned for his covenant with the divinity and considered the spiritual father of many nations; (onomastic sense) a rare family name or first name in the modern Romanian landscape, but frequently found in historical church archival records.
• 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.
• Abraham — A Western European, Germanic, or English form of the biblical masculine proper name Avraam (derived from the Hebrew 'Avraham'); (historical/religious sense) the first great patriarch of the Jewish people, recognized as a central foundational figure in Judaism, Christianity, and Islam; (modern onomastic sense) a family name used internationally and also adopted within Romanian anthroponomics; (toponym) the name of several locations worldwide or geographical landmarks named in honor of historical figures.
• Abram — A proper name with deep biblical and historical roots; (anthroponym) the original, Hebrew form of the patriarch Abraham's name (meaning 'exalted father'), used before the divinity changed his name to Abraham ('father of a multitude'); as a first or last name, it is frequently found internationally and sporadically in Romania; (toponym) the name of a commune in Bihor County, Romania, as well as its main residency village.
• 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.
• Abrămuț — A locality (village) situated in the northern part of Bihor County, Crișana region, Romania; it served as the administrative center of the commune of the same name until the administrative unit was officially renamed Petreu.
• Abru — A proper personal name from Oriental onomastics, famous in historiography through the chronicle of Hāfiz-i Abru (a 15th-century Persian historian who accompanied Timur Lenk); (rare, regional) a truncated form used in the Moți dialect as a shorthand for the town of Abrud.
• 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.
• Absalom — A biblical figure from the Old Testament, the third son of King David, famous for his exceptional beauty, his long, thick hair, and the bloody rebellion he led against his father, meeting a tragic end when his hair caught in the branches of an oak tree; (figuratively) a rebellious or disobedient son.
• Absyrtus — In Greek mythology, a Colchian prince, son of King Aeëtes and brother of Medea. He is chiefly known for his tragic role in the myth of the Argonauts; during Medea's flight with Jason on the ship Argo, she killed and dismembered Absyrtus, scattering his remains in the sea to delay her pursuing father, who stopped to gather them for burial.
• Acâș — A commune and village center in Satu Mare County, Transylvania, Romania, situated along the Crasna River. The locality is historically renowned at national and European levels for its early Romanesque style church (13th century), originally built as a Benedictine monastery, as well as for its thermal spa resort featuring iodized waters used in therapeutic treatments.