Etymology tree
substratebor.?
Proto-Indo-European *kap-?
Proto-Indo-European *kap-
Proto-Indo-European *káput
Proto-Italic *kaput
Latin caput
Vulgar Latin capus
Italian capobor.
English capo
Borrowed from Italian capo (“head, chief”). Doublet of cape, caput, chef, chief, head, and Howth.
Meanings
A leader in the Mafia; a caporegime.
A leader and organizer of supporters at a sporting event, particularly association football matches.
[…] the capo in a sub-camp in 1940. As a foreman and capo in the quarry he earned the reputation of treating Jewish[…] 2004, Gedenkstätte Buchenwald, Buchenwald Concentration Camp, 1937-1945: A Guide to the Permanent Historical Exhibition, Wallstein Verlag, →ISBN, page 118: