Billiard

来自Big Physics

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late 16th century: from French billard, denoting both the game and the cue, diminutive of bille (see billet2).


Ety img billiard.png

wiktionary

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billiard (plural billiards)

From French billiard, equivalent to bi-(“two”) +‎ -illiard.


etymonline

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billiard

singular of billiards, used only in combinations (such as billiard-ball, 1630s, billiard-table 1640s).