The only free and comprehensive online etymological dictionary of the Spanish language
abogado (Noun) "lawyer," "advocate," "counsel"
13th cent. From Latin advocatus "aide," "advocate," "witness." From advocare "to advocate" (see abogar).
Historically, abogada meant "interceding saint;" the profession of advocate was exclusive to men prior to the 1960s.
Indo-European
Romance
Asturian abogáu, Portuguese advogado, Catalan advocat, Old French avocat, Italian avvocato, Dalmatian abucat, Romanian a(d)vocat