"Ka-Un" is a word in CEBUANO

ka-un a?
x added to nouns which refer to a time of day or of life to form nouns which mean period of time that it is [so-and-so].
Kagabhíun, In the evening time.
Manunggù ang mananagat sa sayung kabuntágun, The fishermen return in the early hours of the morning.
Pribinihig kwarta ang ímung katigulangun, Set money aside for your old age.
Kamatáyun, Death.

ka-un() {1} a?
x added to verbs which refer to personal feelings to form adjectives which mean be on the verge of, feel that one is going to do and cannot keep himself from it.
Kahilakun kaáyu ku, I was on the verge of tears.
Kaihiun ku, I have to urinate very urgently.
{1a} a?
x added to words referring to meteorological phenomena to form adjectives which mean [such-and-such] an event is about to burst forth.
Kaulanun kaáyu run, Its just about to burst into rain now.
{2} a?
x added to adjectives which refer to a state to form noun which refer to the achievement of the state.
Way katagbawun, Theres no satisfaction.
Way katapusun ning trabahúa, Theres no end to this job.