Quenya 

tyav-

taste

tyav- vb. "taste" (1st pers. aorist tyavin "I taste") (KYAB)

tyav-

verb. taste, select, choose

Quenya [PE 22:102; PE 22:152] Group: Mellonath Daeron. Published by

tyav-

verb. to taste, to taste; [ᴱQ.] (impersonal) to taste of, reminds one of

@@@ as derivative of KYAW perhaps past †tyaune > tyáve

Quenya [PE22/151; PE22/152] Group: Eldamo. Published by

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.