Where does “'ch-” come from?

'ch- (Yola) comes from Yola ich, from Middle English I, from Old English iċ, from Proto-West Germanic ik, from Proto-Germanic *ek, from Proto-Indo-European éǵh₂ — I.

'ch- (Yola): I; clitic form of ich

Definitions

I; clitic form of ich

Ancestry of “'ch-”, step by step

Step	Language	Word	Meaning
1	Yola	ich	I
2	Middle English	I	I (first-person singular subject pronoun)
3	Old English	iċ	I
4	Proto-West Germanic	ik	I
5	Proto-Germanic	*ek	—
6	Proto-Indo-European	éǵh₂	I

Words derived from “'ch-”

'cha
'cham
'chote
'chull
'chas
chood

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