Euphony [YOO-fə-nee]  

Part of speech: noun 

Origin: Greek, 17th century  

1. The quality of being pleasing to the ear, especially through a harmonious combination of words. 

2. The tendency to make phonetic change for ease of pronunciation.  

Examples of euphony in a sentence  

"She wanted to pick out the perfect name for her baby — something unique and with euphony."  

"Some abbreviations are created purely for ease of speech and a sense of euphony."