grievance (n.)youdaoicibaDictYouDict
c. 1300, "state of being aggrieved," from Old French grevance "harm, injury, misfortune; trouble, suffering, agony, sorrow," from grever "to harm, to burden, be harmful to" (see grief). In reference to a cause of such a condition, from late 15c.
lupin (n.)youdaoicibaDictYouDict
plant of the genus lupinus, late 14c., from Latin lupinus, name of the plant, noun use of an adjective meaning "of a wolf" (see lupine). The reason for association with the animal is unclear; perhaps it was so called because of a belief that the plants were harmful to soil (compare lupus).