c. 1300, "to display, reveal, appear," from Old French mostrer "appear, show, reveal," also in a military sense (10c., Modern French montrer), from Latin monstrare "to show," from monstrum "omen, sign" (see monster). Meaning "to collect, assemble" is early 15c.; figurative use (of qualities, etc.) is from 1580s. To muster out "gather to be discharged from military service" is 1834, American English. To muster up in the figurative and transferred sense of "gather, summon, marshal" is from 1620s. Related: Mustered; mustering.
muster (n.)
late 14c., "action of showing, manifestation," from Old French mostre "illustration, proof; examination, inspection" (13c., Modern French montre), literally "that which is shown," from mostrer (see muster (v.)). Meaning "act of gathering troops" is from c. 1400. To pass musters (1570s) originally meant "to undergo military review without censure."
例文
1. Muster needed just 72 minutes to win the one-sided match,6-2,6-3.
ムステルはわずか72分で6対2、6対3でこの実力差の試合を制した。
2.He beat Thomas Muster of Austria three sets to love.
彼はオーストリアのトーマス?モンストを3対0でストレートに取った。
3.He travelled around West Africa trying to muster support for his movement.