kāhan כָּהַן ‘to minister’ (Hebrew)

Etymology^?: a primitive root
Roots: כוהן

kāhan v
1) to act as a priest, minister in a priest's office
 1a) (Piel)
  1a1) to minister as a priest, serve as a priest
  1a2) to be or become a priest
  1a3) to play the priest