-ennialcomb. form

Primary stress is attracted to the first syllable of this combining form and vowels may be reduced accordingly.

Origin: Formed within English, by clipping or shortening. Etymons: quinquennial adj.; septennial adj.

Etymology: < -ennial (in quinquennial adj., septennial adj., etc.).Formations are found from the 19th cent., as sextennial adj., quotennial adj., quadringentennial adj., plurennial adj.

Forming adjectives (and corresponding nouns) with the sense ‘that recurs or happens at an interval of years (specified by the first element)’, as plurennial adj., sextennial adj., etc.

This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	-ennial
释义	-ennialcomb. form Primary stress is attracted to the first syllable of this combining form and vowels may be reduced accordingly. Origin: Formed within English, by clipping or shortening. Etymons: quinquennial adj.; septennial adj. Etymology: < -ennial (in quinquennial adj., septennial adj., etc.).Formations are found from the 19th cent., as sextennial adj., quotennial adj., quadringentennial adj., plurennial adj. Forming adjectives (and corresponding nouns) with the sense ‘that recurs or happens at an interval of years (specified by the first element)’, as plurennial adj., sextennial adj., etc. This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022). < comb. form
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