acCAvAkaH [ acCaM nirmalaM acCa ABimuKyena vA vakti SaMsati; vac kartari saMjYAyAM GaY nipAtasya ceti dIrGaH Tv. ] The invoker or inviter, a priest or Ṛtvij who is employed at Soma sacrifices, and is a co-adjutor of hotf . Each of the four principal priests, hotf, aDvaryu , ( pb ) brahman and udgAtf has three assistants, the total number of priests employed at Soma sacrifices being therefore 16; °sAman n. N. of the Sāman to be chanted by an acCAvAka , also called udvaMSIya .