Platoon
来自Big Physics
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mid 17th century: from French peloton ‘platoon’, literally ‘small ball’, diminutive of pelote .
wiktionary
From obsolete French plauton, variant of peloton, from Middle French pelote + -on. Doublet of peloton .Compare pellet.
etymonline
platoon (n.)
1630s, "a small body of soldiers acting together but separate from the main body of troops," from French peloton "platoon, group of people," literally "little ball" (15c.), hence, "agglomeration," diminutive of Old French pelote "ball" (see pellet). Football sense of "group of players trained to act as a unit on the field" is by 1941.
platoon (v.)
in baseball, "to alternate (a player) with another in the same position," 1967, from platoon (n.), which had been used in team sports since 1941.
