עמידה

Etymology
Verbal noun of, from the root.

Noun

 * 1) The act of standing or situating:
 * 2) The act of sticking with.
 * 3) The act of withstanding, steadfastness.

Proper noun

 * 1)  The Amidah, the Shemoneh Esrei, an important daily prayer that is said while standing.