to be, exist
Ancient Greek word, found 144,872 times in the texts on Socratos.
Homer, Iliad 1.63: ἢ καὶ ὀνειροπόλον, καὶ γάρ τʼ ὄναρ ἐκ Διός ἐστιν,
Homer, Odyssey 1.12: οἴκοι ἔσαν, πόλεμόν τε πεφευγότες ἠδὲ θάλασσαν·
Apollonius Rhodius, Argonautica 1.13: εἰλαπίνης, ἣν πατρὶ Ποσειδάωνι καὶ ἄλλοις
All forms of εἰμί