https://en.wikipedia.org/wiki/Phonestheme

“The term phonestheme (or phonaestheme in British English) was coined in 1930 by British linguist J. R. Firth (from the Greek φωνή phone, “sound”, and αἴσθημα aisthema, “perception” from αίσθάνομαι aisthanomai, “I perceive”) to label the systematic pairing of form and meaning in a language.[1] Such pairing would violate the arbitrariness principle of semantics.”