aleph

Pronunciation: /ˈɑˌlɛf/

The English word “aleph” has 2 meanings listed here.

noun

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).
The cardinality of an infinite well-ordered (or well-orderable) set.

Borrowed from Hebrew אָלֶף (álef). Doublet of alpha and alif.

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