aye¹

/ʌɪ/

exclam.

archaic or dialect yes.

▸ (aye aye) Nautical a response accepting an order.

▸(in voting) I assent.

n.

an affirmative answer, especially in voting.

C16: prob. from I, first person personal pronoun, expressing assent.

aye²

/eɪ, ʌɪ/

adv.

archaic or Scottish always; still.

ME: from ON ei, ey.

以上来源于：《简明牛津英语词典》