-en
dingdingen/ dingdinga/ diningding,
meN-
meningding/ mandingdingding/ eningding,
me-
medingding/ edingding
To forget.
Diningding koy dibchom tep kaagagak.
I forgot your book because I was in a hurry.
peningding/ impaningding
Act/time/way of forgetting.
kedingdingan/ edingdingan
A thing that causes one to forget something