아흔
aheun · TOPIK 1
ninety
아흔 = native Korean ninety, from 아홉 (nine) + old tens ending -흔
아흔 keeps the 아 of 아홉 (nine) and adds the same tens ending heard in 일흔 (seventy) and 여든 (eighty). Sound hook: a-heun is like saying ah, hun at a ninetieth birthday. Sino-Korean equivalent is 구십.