
English word identity comes from Proto-Indo-European *yo-, and later Proto-Italic *is ((in the plural) they. (in the singular) he, she, it.)
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*yo- (Proto-Indo-European)
*is (Proto-Italic)
(in the plural) they. (in the singular) he, she, it.
im (Old Latin)
idem (Latin)
The same (usually with ablative).
identité (Middle French)
identity (English)
(Australia, NZ) A well-known or famous person.. (algebra) An element of an algebraic structure which, when applied to another element under an operation in that structure, yields this second element.. (algebra, computing) Any function which maps all elements of its domain to themselves.. A name or persona—the mask or appearance one presents to the world—by which one is known.. Sameness, [...]