Buddhist Dictionary of Pali Proper Names by G P Malalasekera
ariyamuni
Ariyamuni:One of the monks who were sent to Ceylon by the King of Ayojjhā,at the request of Kittisirirājasīha,to re-establish the upasampadā Ordination in Ceylon.
He is mentioned as second in order to Upāli,the leader of the delegation of Siamese monks.Cv.c.95; also Cv.trans.ii.282,n.2.