Where does “woo” come from?

Woo comes from Middle English wowen, from Old English wōgian, of uncertain origin and meaning.

woo (English): To endeavor to gain someone's support; To try to...

Definitions

Step	Language	Word	Meaning
1	Middle English	wowen	—
2	Old English	wōgian	to woo, court, marry
3	Proto-Germanic	wanhō	a bend, turn, corner, angle, curve, incline
4	Proto-Indo-European	wonk-	crooked, bent
5	Proto-Indo-European	wā-	to move , to move so as to bend, turn; to bend,...

woo — Etymology, Origin & Word History | Etymology Explorer