Meaning

noun an ignorant or foolish person

noun small tropical gannet having a bright bill or bright feet or both

origin17th century. From Spanish bobo, from Latin balbus (“stammering”). (bird): Compare typologically Translingual Morus, German Tölpel, Polish głuptak (akin to głupek), Russian о́луша (óluša) (akin to о́лух (ólux)).

Etymology from Wiktionary, CC BY-SA 3.0