Main Entry: ¹with·in

Pronunciation: \wi-ˈthin, -ˈthin\

Function: adverb

Etymology: Middle English withinne, from Old English withinnan, from with + innan inwardly, within, from in

Date: before 12th century

1 : in or into the interior : inside
2 : in one's inner thought, disposition, or character : inwardly <search within for a creative impulse — Kingman Brewster †1988>