Where does “queivre” come from?

queivre (Old French) comes from Latin cyprium, from Latin cuprum, from Ancient Greek Κύπρος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “queivre”, step by step

queivre traces back through two separate lines of ancestry.

via Latin cyprium

Step	Language	Word	Meaning
1	Latin	cyprium	—
2	Latin	cuprum	copper
3	Ancient Greek	Κύπρος	Cyprus
4	Ancient Greek	-ῐος	belonging to; of”, “belonging to”, “pertaining to
5	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

via Latin cupreum

Step	Language	Word	Meaning
1	Latin	cupreum	nominative neuter singular of cūpreus; accusative...

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek Κύπρος →