triennia

Periods of three

Triennia is the plural of triennium, a period of three years.

The word appears in academic, administrative, and ecclesiastical contexts where activities are organized in three-year cycles: The university reviews its strategic plan each triennium, budget allocations for the coming triennia.

cycle

period

Punctuation ending sentences

interval · phases · sequence · succession · progression · rhythm · cadence · pattern · alternation · round

milestone

anniversary

Recurring memorial date

benchmark · achievement · culmination · watershed · threshold · observance · ceremony · recognition · tribute · honoring

duration

span

Distance between endpoints

stretch · spell · timeframe · tenure · stint · epoch · era · season · phase · chronology

renewal

review

Critical written assessment

reinstatement · reassessment · reelection · renegotiation · extension · expiration · continuation · resumption · revision · update

Opposites
temporal duration

trienniamillennia

Thousand-year periods

eons · eternities · annums · moments · instants

Family

triennial, triennium, triennially

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Used worldwide · Timeless · Abstract · Rated G