Where does “grive” come from?

grive (Norman) comes from Old French grieu, from Latin Graecus, from Ancient Greek Γραικός, from Ancient Greek γραῖα, from Proto-Indo-European ǵerh₂- — to grow old, to mature.

grive (Norman): song thrush

Definitions

song thrush

Ancestry of “grive”, step by step

grive traces back through two separate lines of ancestry.

via Old French grieu

Step	Language	Word	Meaning
1	Old French	grieu	—
2	Latin	Graecus	Greek, Grecian, of or pertaining to the Greek...
3	Ancient Greek	Γραικός	Greek; a Graecian, a member of an ancient...
4	Ancient Greek	γραῖα	Graea, Boeotia; Greece
5	Proto-Indo-European	ǵerh₂-	to grow old, to mature

via Old French griu

Step	Language	Word	Meaning
1	Old French	griu	Greek Greek person

Every word from Proto-Indo-European ǵerh₂- →Every word from Ancient Greek γραῖα →Every word from Ancient Greek Γραικός →