Etymology
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ingratitude (n.)
mid-14c., from Old French ingratitude "ungratefulness" (13c.) and directly from Late Latin ingratitudinem (nominative ingratitudo) "unthankfulness," noun of quality from Latin ingratus "ungrateful" (see ingrate).
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croquet (n.)

lawn game played with balls, mallets, hoops, and pegs, 1851, from French, from Northern French dialect croquet "hockey stick," from Old North French "shepherd's crook," from Old French croc (12c.), from Old Norse krokr "hook" (see crook (n.)). The game originated in Brittany and was popularized in Ireland c. 1830 in England c. 1850 and was very popular in the latter place until 1872.

Qui est-ce qui a inventé le croquet? On l'ignore. On sait qui a imaginé l'imprimerie, qui a découvert la vapeur, et l'on ne connaît pas l'inventeur du croquet. O ingratitude! A moins, pourtant, qu'enfant de la nature et sorti tout entier de la main du Créateur, comme Ève de la côte d'Adam, il ne se soit inventé tout seul. [Jacques Boucher de Perthes, "Hommes et Choses; Alphabet des Passion et des Sensations," Paris, 1850]
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