Portuguese word renegado comes from Portuguese renegar

Detailed word origin of renegado

Dictionary entry	Language	Definition
renegar	Portuguese (por)	To disown (to refuse to acknowledge as one’s own). To reject or detest. To renege (to break a promise or commitment). To renounce an ideology.
renegado	Portuguese (por)	Who has reneged (broken one’s promise or commitment) Renegade (person who betrays or deserts his cause) Masculine singular past participle of renegar.