Where does “icke” come from?

icke (German) comes from Low German ick, from Middle Low German ik, from Old Saxon ik, from Proto-West Germanic ik, from Proto-Germanic *ek, from Proto-Indo-European éǵh₂ — I.

icke (German): I, me

Definitions

I, me

Ancestry of “icke”, step by step

Step	Language	Word	Meaning
1	Low German	ick	I
2	Middle Low German	ik	I
3	Old Saxon	ik	I
4	Proto-West Germanic	ik	I
5	Proto-Germanic	*ek	—
6	Proto-Indo-European	éǵh₂	I

Every word from Proto-Indo-European éǵh₂ →Every word from Proto-Germanic *ek →Every word from Proto-West Germanic ik →