積もる
Common
Godan
Intransitive
1
Godan verb with 'ru' endingintransitive verb
to pile up;to accumulate
塵も積もれば山となる。
Many a little makes a mickle.
2
Godan verb with 'ru' endingtransitive verb
to estimate
See also:
見積もる (みつもる)
Other forms
積る 【つもる】