yāʿaṣ יָעַץ ‘to advise’ (Hebrew)

Etymology^?: a primitive root

yāʿaṣ v
1) to advise, consult, give counsel, counsel, purpose, devise, plan
 1a) (Qal)
  1a1) to advise, counsel, give counsel, consult
  1a2) counsellor (participle)
 1b) (Niphal) to consult together, exchange counsel, deliberate, counsel together
 1c) (Hithpael) to conspire