Meaning of ABAFT in English

ABAFT

adv. & prep. Naut.

adv. in the stern half of a ship.

prep. nearer the stern than; aft of.

[ A(2) + -baft f. OE be‘ftan f. be BY + ‘ftan behind ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.