Triennial
"Triennial" in Russian
трёхгоди́чный
trjoxgodíčnyj
(happening every three years)
трёхгодово́й
trjoxgodovój
(lasting for three years)
трёхле́тний
trjoxlétnij
(lasting for three years)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.