Morpheme
Capt
Type
bound base
Denotation
head
Etymology
Old French capitaine; Latin capitaneus, from caput + -āneus
Evidence
captain, captaincy, captained, captaining, captains, uncaptained
Notes
loss of the initial <i> from <capit> by Early Modern English
captain and chieftain are doublets
See Also
Cape, Capit(e) [Capite, Capit], Cipite, Cipe, Cadet, Chef, Chief, Head