[かう, kau] (v5u, vt) (1) (in western Japan, 買う conjugates euphonically as こうた, こうて, etc.) to buy; to purchase; (2) to value; to have a high opinion; (3) to stir; to provoke; (P)#11877
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
{ } a. Pertaining to, or exhibiting, euphony; agreeable in sound; pleasing to the ear; euphonious; as, a euphonic expression; euphonical orthography. [ 1913 Webster ]