Where does “grecu” come from?

grecu (Sicilian) comes from Romanian grec, from Latin Graecus, from Ancient Greek Γραικός, from Ancient Greek γραῖα, from Proto-Indo-European ǵerh₂- — to grow old, to mature.

grecu (Sicilian): the Greek language; Hellene, a male Greek person;...

Definitions

the Greek language; Hellene, a male Greek person;...

Ancestry of “grecu”, step by step

grecu traces back through two separate lines of ancestry.

via Romanian grec

Step	Language	Word	Meaning
1	Romanian	grec	Greek; Greek man
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 Russian гре́ча

Step	Language	Word	Meaning
1	Russian	гре́ча	local variation of гре́чка

Words derived from “grecu”

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