deuterotonic

adjective

deu·​ter·​o·​ton·​ic ˌdü-tə-rə-ˈtä-nik 

 also  ˌdyü-

1

: characterized by accent on the second syllable

2

of Old Irish compound verbs : stressed on the second element of a verbal form compare prototonic

Word History

Etymology

deutero- + tonic entry 2

First Known Use

1905, in the meaning defined at sense 2