ancient times, antiquity, remote ages

an ancient Japanese state that rivaled 邪馬台国 (Yamataikoku)

a thing, an object; (derogatory, familiar) a person

What? What did you say?

whatchamacallit, X

what

What?, Huh?

what / that thing (used in place of words you can't remember at the moment.)

what number, how many (used with a counter) / (used with も) many (used with a counter)

something