suprasegmental

adjective

su·​pra·​seg·​men·​tal ˌsü-prə-seg-ˈmen-tᵊl 

-ˌprä-

: of or relating to significant features (such as stress, pitch, or juncture) that occur simultaneously with vowels and consonants in an utterance

Word History

First Known Use

1941, in the meaning defined above