Where does “hnycnian” come from?

hnycnian (Old English) comes from Proto-Germanic hnukāną, from Proto-Indo-European knewg-, from Proto-Indo-European ḱen- — to set oneself in motion, arise.

Ancestry of “hnycnian”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	hnukāną	To bend, flex, bow, draw up, shrink, wrinkle,...
2	Proto-Indo-European	knewg-	to turn, press; to bend, pinch; to press; bend
3	Proto-Indo-European	ḱen-	to set oneself in motion, arise

Every word from Proto-Indo-European ḱen- →Every word from Proto-Indo-European knewg- →Every word from Proto-Germanic hnukāną →