Quenya 

hyam-

pray

#hyam- vb. "pray" (aorist hyamë attested, VT43:34)

hyam-

verb. *to pray

Cognates

  • ᴺS. hav- “to pray”

Element in

arca-

pray

arca- (2) vb. "pray" (VT43:23, cf. VT44:8, 18); evidently this basically means "to petition" or "to ask for", compare arcandë below.