French word ci comes from Latin hic, Proto-Indo-European *ǵʰi-ḱe, Middle French icy (Here.), Latin eccum

Detailed word origin of ci

Dictionary entry	Language	Definition
hic	Latin (lat)	This, these, used to refer to (a) person(s) or thing(s) close to the speaker, in contrast to ille, meaning that.
*ǵʰi-ḱe	Proto-Indo-European (ine-pro)
icy	Middle French (frm)	Here.
eccum	Latin (lat)
hoc	Latin (lat)	(with accusative) for this reason.. (with dative) hither, to this place.
ci	Old French (fro)	Here (in this place).
heic	Latin (lat)
hic	Latin (lat)	Here.
ici	French (fra)	Here.
ci	French (fra)	Here. This.

Words with the same origin as ci