Where does “and” come from?

and (Middle English) comes from Old English and, from Proto-Germanic andi, from Proto-Indo-European h₂énti, from Proto-Indo-European h₂énts, from Proto-Indo-European h₂ent-, from Proto-Indo-European h₂en- — on, onto.

and (Middle English): and, and then; however, yet, but, though. while;...