Dicionário

Adios

Webster's Dictionary 1913

‖A′dios″ (?), interj. [Sp., fr. L. ad to + deus god. Cf. Adieu.] Adieu; farewell; good-by; — chiefly used among Spanish-speaking people.

☞ This word is often pronounced å‐dē″ō̍s, but the Spanish accent, though weak, is on the final syllable.