Where does “līk” come from?

līk (Middle Low German) comes from Proto-Germanic līką, from Proto-Indo-European leyǵ- — to bind, tie.

Ancestry of “līk”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	līką	body; corpse, dead body; leech-line, bolt-rope
2	Proto-Indo-European	leyǵ-	to bind, tie

līk — Etymology, Origin & Word History | Etymology Explorer