@@@ as derivative of KYAW perhaps past †tyaune > tyáve
Quenya
tyav-
taste
tyav-
verb. taste, select, choose
tyav-
verb. to taste, to taste; [ᴱQ.] (impersonal) to taste of, reminds one of
tyávë
taste
tyávë noun "taste" (pl. #tyáver attested only in the compound lámatyáver, see lámatyávë.) (MR:215, 216). It may be that the verb tyav- would also appear as tyávë in the past tense.
tyav- vb. "taste" (1st pers. aorist tyavin "I taste") (KYAB)