I. ˈprē-(ˌ)mō noun
( plural primos )
Etymology: Italian, from primo first, from Latin primus
Date: 1792
: the first or leading part (as in a duet or trio)
II. ˈprē-(ˌ)mō, ˈprī- adverb
Etymology: Latin, from primus
Date: circa 1901
: in the first place
III. ˈprē-(ˌ)mō adjective
Etymology: probably from Italian, chief, first
Date: 1972
slang : of the finest quality : excellent