Where does “chi” come from?

chi (Latin) comes from Ancient Greek χεῖ — chi, the name for the twenty-third letter Χ, χ of...

Ancestry of “chi”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	χεῖ	chi, the name for the twenty-third letter Χ, χ of...

chi — Etymology, Origin & Word History | Etymology Explorer