Etymology of the French word breviaire
the Old French word breviaire
derived from the Medieval Latin word breviarium (breviary; brief account, summary statement, epitome)
derived from the Late Latin word brevis (short; brief; short catalog, summary document; short, little, small)
derived from the Proto-Indo-European root *mregh-u-
derived from the Latin word breviare (shorten, abridge; abbreviate)