Where does “holo-” come from?

holo- (French) comes from Ancient Greek ὅλος, from Proto-Indo-European solh₂wós, from Proto-Indo-European sōlh₂- — mercy, comfort; comfort, mercy.

holo- (French): holo-

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	ὅλος	whole, entire, perfect, complete; absolute,...
2	Proto-Indo-European	solh₂wós	—
3	Proto-Indo-European	sōlh₂-	mercy, comfort; comfort, mercy

holo- — Etymology, Origin & Word History | Etymology Explorer