intransitive verb-·sized·, -·siz·ing
Origin of capsize18th-c. naut. slang; uncertain or unknown; perhaps altered (infl. by dialect, dialectal cap, to overtop + side) from Spanish cabezar, literally , to sink by the head ( from cabo, cabeza, head)
intr. & tr.v.cap·sized, cap·siz·ing, cap·siz·es
Origin of capsizePerhaps from Spanish capuzar to load a ship so that its bow sinks ( perhaps alteration of chapuzar to duck, push underwater ) ( from Vulgar Latin subputeāre ) (Latin sub- sub- ) ( puteus well ; see pit 1. ) or from Spanish cabezar to pitch ( from cabeza head ) ( from Vulgar Latin capitia ) ( from Latin caput, capit- ; see cape 2. )
(third-person singular simple present capsizes, present participle capsizing, simple past and past participle capsized)
Attested since 1788 CE. Origin unknown. Possibly related to Spanish chapuzar (“to sink by the head”).