Where does “-ihhīn” come from?

-ihhīn (Old High German) comes from Proto-Germanic -ikīną, from Proto-Germanic -ikaz.

Ancestry of “-ihhīn”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	-ikīną	—
2	Proto-Germanic	-ikaz	—

Words derived from “-ihhīn”

-ichin

Every word from Proto-Germanic -ikaz →Every word from Proto-Germanic -ikīną →