biennium

[bahy-en-ee-uh m]

Origin of biennium

1895–1900; < Latin, equivalent to bi- bi-1 + -enn- (combining form of annus year) + -ium -ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for biennium

Historical Examples of biennium


Word Origin and History for biennium
n.

"space of two years," by 1851, from Latin biennium "two years, a period of two years," from bi- + annus "year" (see annual). For vowel change, see biennial.

Online Etymology Dictionary, © 2010 Douglas Harper