Latin law primarily explains Middle East language unit

• Meaningful language unit
• Linguistics unit

Wiktionary Word definitions in Wiktionary
n. 1 (context linguistics English) Roughly, the set of inflected forms taken by a single word, such as the lexeme RUN including as members "run" (lemma), "running" (inflected form), or "ran", and excluding "runner" (derived term). 2 (context computing English) ...

WordNet Word definitions in WordNet
n. a minimal unit (as a word or stem) in the lexicon of a language; `go' and `went' and `gone' and `going' are all members of the English lexeme `go'

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1937, from lexicon + -eme , ending abstracted from morpheme . Related: Lexemic .

Wikipedia Word definitions in Wikipedia
A lexeme is a unit of lexical meaning that exists regardless of the number of inflectional endings it may have or the number of words it may contain. It is a basic unit of meaning, and the headwords of a dictionary are all lexemes. Put more technically, ...