trieteric
1 of 2noun
tri·e·ter·ic
¦trīə¦terik
plural -s
: a trieteric festival especially in honor of Bacchus
trieteric
2 of 2adjective
"
: occurring in alternate years —used of an ancient Greek rite
Word History
Etymology
Noun
Late Latin trieterica, from feminine of trietericus occurring every third year
Adjective
Latin trietericus, from Greek trietērikos, from trietēris triennial festival (from tri- three + etos year) + -ikos -ic