aleph

English

Borrowed from Hebrew אלף (álef). Doublet of alpha.

aleph (plural alephs)

The first letter of the Proto-Canaanite alphabet, and its descendants in descended Semitic scripts, such as Phoenician 𐤀 (ʾ, ʾaleph), Aramaic 𐡀 (ʾ), Classical Syriac ܐ ('ālaph), Hebrew א (aleph) and Arabic ا (ʾalif).
(mathematics) The cardinality of an infinite well-ordered (or well-orderable) set.
The axiom of choice is equivalent to the proposition that every infinite cardinal is an aleph.

first letter of the Proto-Canaanite alphabet and descendant script

Arabic: أَلِف (ar) m (ʔalif), (symbol) ا (ar)
Aramaic:
Classical Syriac: ܐܠܦ f (ʾālaf), (symbol) ܐ
Catalan: àlef (ca) f
Chinese:
Mandarin: 阿列夫 (zh) (ālièfū), 阿利夫 (ālìfu) (Arabic letter also), 艾利夫 (àilìfu)
Finnish: alef (fi)
French: aleph (fr) m, alef (fr) m
German: (Hebrew letter) Aleph n, Alef n
Greek: άλεφ n (álef)
Hebrew: אָלֶף (he) f (álef), (symbol) א (he)
Italian: alef m or f
Japanese: アレフ (arefu), アリフ (arifu) (Arabic letter)
Malay: alif (ms)
Persian: الف (fa) (alef)
Polish: alef (pl) m
Portuguese: alef m
Russian: а́леф m (álef), а́лиф (ru) m (álif) (Arabic letter)
Spanish: álef (es) m or f
Turkish: elif (tr)
Urdu: اَلِف (ur) m (alif), ا (ur) (symbol)
Yiddish: אַלף f (alef)