From Wiktionary, the free dictionary
From tri- + lustro (“five-year period”).[1]
- IPA(key): /triˈlu.stre/
- Rhymes: -ustre
- Hyphenation: tri‧lù‧stre
trilustre (plural trilustri)
- Of or related to a fifteen-year period.
- ^ trilustre in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana