Influenza, the flu.
Borrowed from French grippe, from gripper (“to seize, snatch”), from Frankish *grīpan, from Proto-Germanic *grīpaną, from Proto-Indo-European *gʰreyb- (“to grab, to grasp”). Borrowed from French into many languages of the world. More at gripe.
Practice speaking and memorizing "grippe" and many other words and sentences in English.