Phonaesthetics is the study of the beauty and pleasantness associated with the sounds of certain words or parts of words. The term was first used in this sense, perhaps by J. R. R. Tolkien, during the
The entrance of the "hobbit hole", which Tolkien devised, is a type of "cellar door", the idea of whose phonetic beauty he popularized.
Coloeus dauuricus, adult, Izumi, Kagoshima, Japan 3