Interjection (kandoushi)
hooray!; cheers!; bravo!
see よいやよいや
彼の名演技に観客はやんやの喝采を送った。His great performance drew thundering applause from the audience. Noun which may take the genitive case particle 'no', Adverb taking the 'to' particle
loud (e.g. applause); enthusiastic; tumultuous