Is it ensure, insure, or assure?
c.1300, "height," from Old French stature, from Latin statura "height, size of body, size, growth," from stare "to stand," from PIE root *sta- "to stand," with derivatives meaning "place or thing that is standing" (see stet). Figurative sense first recorded 1834.
stature stat·ure (stāch'ər)
The height of a person.