Meaning

noun the time during which someone's life continues

noun time for Earth to make a complete rotation on its axis

noun some point or period in time

originFrom Middle English daies, from Old English dæġes (“by day”), from Proto-Germanic *dagas, *dagis, genitive of *dagaz, equivalent to day + -s (adverbial ending).

Etymology from Wiktionary, CC BY-SA 3.0