垂んとす
also: なんなんとす
Meanings
1
to be about to reach (an age, state, etc.); to be on the verge of
archaic
Archaic expression meaning 'to be on the point of reaching' a certain age, condition, or stage. Often used in classical literature. The form 垂んとする is a variant.
See also: なんなんとする
He is about to turn fifty.
The day is about to end.