fortitude
n.
early 15c., from Middle French fortitude, from Latin fortitudo "strength, force, firmness, manliness," from fortis "strong, brave" (see fort).
〔李〕n. 坚韧，刚毅 [forti- =strong] ←-tude [L] 表示“⋯的性质、状态等”
〔李〕[fort=strong强；-i-;-tude n.=the quality表性质→“the quality of being strong坚强的品质”→] n. courage in endurance坚忍，刚毅