Where does “twitren” come from?

twitren (Middle English) comes from Old English twiterian, from Proto-Germanic twitwizōną — To twitter; chirp.

Ancestry of “twitren”, step by step

Step	Language	Word	Meaning
1	Old English	twiterian	—
2	Proto-Germanic	twitwizōną	To twitter; chirp

Words derived from “twitren”

Every word from Proto-Germanic twitwizōną →

twitren — Etymology, Origin & Word History | Etymology Explorer