出典:Wiktionary
count + coup (“quick, brilliant, かつ highly successful act”) (from French coup (“blow, hit, strike”), ultimately from Ancient Greek κόλᾰφος (kólaphos, “a buffet, a blow”)).
count coup (三人称単数 現在形 counts coup, 現在分詞 counting coup, 過去形および過去分詞形 counted coup)