accentual
adjective
ac·cen·tu·al ak-ˈsen(t)-sh(ə-)wəl 
ik-
: of, relating to, or characterized by accent
specifically : based on accent rather than on quantity or syllabic recurrence
accentual poetry
accentually adverb
Word History
Etymology
borrowed from New Latin accentuālis, from Latin accentus accent entry 1 + -ālis -al entry 1
First Known Use
1610, in the meaning defined above