Ivo bụ aha nwoke, a na-eji ya n'asụsụ dị iche iche nke Europe. Aha a na-eji n'asụsụ ọdịda anyanwụ Europe sitere na aha Normannic e dekọrọ kemgbe High Middle Ages, na aha French Yves bụ ihe dị iche na ya. Aha South Slavic na-enweghị njikọ bụ ọdịiche nke aha Ivan (John). Edere aha ahụ site na High Middle Ages n'etiti Normans nke France na England ( Yvo nke Chartres, mụrụ c. 1040). Etymology aha ahụ nwere ike ịbụ German ma ọ bụ Celtic, n'ọnọdụ ọ bụla ọ na-esi na aha enyere ya nwere ihe mbụ pụtara "yew" (Gaulish Ivo-, Germanic Iwa- ). O nwere ike ịbụ na òtù nzuzo nke Saint Ivo (d. 1303), onye na-elekọta ndị senti nke Brittany gbasaara aha ahụ. Aha Slavic bụ hypocorism, dị ka Ivica dị iche iche. Ivo nwere ụdị genitive nke "Ives" na ebe aha St Ives . Na France, ụdị aha a na-emekarị bụ Yves . Na mba ndị Hispanic dị na Latin America, a na-asụgharịkarị aha ahụ Evo mana Ivo ka bụ mkpope a na-asụkarị..