Where does “jarsier” come from?

jarsier (Old French) comes from Ancient Greek χαρακτήρ, from Ancient Greek χαράσσω, from Proto-Indo-European ǵʰer- — to yearn for; to enclose; bowels, intestines.

Ancestry of “jarsier”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	χαρακτήρ	instrument used for engraving; person who...
2	Ancient Greek	χαράσσω	to sharpen; to engrave, carve, write, draw, stamp
3	Proto-Indo-European	ǵʰer-	to yearn for; to enclose; bowels, intestines

Every word from Proto-Indo-European ǵʰer- →Every word from Ancient Greek χαράσσω →Every word from Ancient Greek χαρακτήρ →