/foh'neuhs thee"mik/ , adj. Ling.
(of a speech sound) shared by a set of echoic or symbolic words, as the sn- of sneer, snarl, snatch, snide, snitch, snoop, etc.
[ phonestheme such a sound or group of sounds (coined by J. R. Firth in 1930; appar. PHON- + ESTH(ETIC) + -EME) + -IC ]