grit(n.)
古英语 greot"沙子,尘土,泥砾",源自原始日耳曼语 *greutan "被压碎的岩石的微小颗粒"(也指古撒克逊语 griot,古弗里西亚语 gret,古诺尔斯语 grjot"岩石,石头",德语 Grieß "砂砾,沙子"),源自原始印欧语 *ghreu- "磨擦,磨碎"(也指立陶宛语 grūdas "谷物,核心",古教会斯拉夫语 gruda"土块")。"勇气,精神,坚定的意志"的意义首次出现于美国英语,1808年。
If he hadn't a had the clear grit in him, and showed teeth and claws, they'd a nullified him so, you wouldn't have see'd a grease spot of him no more. [Thomas Chandler Haliburton, "Sam Slick in England," 1843]
如果他没有坚定的勇气,没有表现出牙齿和爪子,他们就会让他失效,你就再也看不到他的踪迹了。[托马斯·钱德勒·哈利伯顿,《山姆·斯利克在英国》,1843年]