ʿātar עָתַר ‘to pray’ (Hebrew)

Etymology^?: a primitive root ( rather denominative from ʿeter עֶ֫תֶר ‘Ether’)
Roots: עתר

ʿātar v
1) to pray, entreat, supplicate
 1a) (Qal) to pray, entreat
 1b) (Niphal) to be supplicated, be entreated
 1c) (Hiphil) to make supplication, plead