Children were trooping along the sidewalk.
The children trooped into the room.
The students trooped into the auditorium.
The crowd trooped out of the stadium.
- to parade the colors, or flag, before troops
Idioms and Phrasal Verbs
Origin of troop
- French troupe from Old French trope probably from Vulgar Latin troppu-
From American Heritage Dictionary of the English Language, 5th Edition
- Attested in English since 1545, from French troupe (back-formation of troupeau, diminutive of Medieval Latin troppus "flock") and Middle French trouppe (from Old French trope (“band, company, troop")), both of Germanic origin from Frankish *thorp (“assembly, gathering"), from Proto-Germanic *Ã¾urpÄ… (“village, land, estate"), from Proto-Germanic *treb- (“dwelling, settlement"). Akin to Old English Ã¾orp, Ã¾rop (“village, farm, estate") (Modern English thorp), Old Frisian Ã¾orp, Old Norse Ã¾orp. More at thorp.