Meaning

verb have the quality of being; (copula, used with an adjective or a predicate noun)

verb be identical to; be someone or something

verb occupy a certain position or area; be somewhere

originEtymology tree Proto-Indo-European *h₁es- Proto-Indo-European *h₁ésti Proto-Germanic *isti Proto-West Germanic *ist Old English is Middle English is English is From Middle English is, from Old English is, from Proto-West Germanic *ist, from Proto-Germanic *isti (a form of Proto-Germanic *wesaną (“to be”)), from Proto-Indo-European *h₁ésti (“is”). Cognate with West Frisian is (“is”), Dutch is…

Etymology from Wiktionary, CC BY-SA 3.0