harm
n.
Old English hearm "hurt, evil, grief, pain, insult," from Proto-Germanic *harmaz (cognates: Old Saxon harm, Old Norse harmr, Old Frisian herm "insult; pain," Old High German harm, German Harm "grief, sorrow, harm"), from PIE *kormo- "pain."
v.
Old English hearmian "to hurt" (see harm, n.). It has ousted Old English skeþþan "scathe" in all but a few senses. Related: Harmed; harming.
词根：harm = fitting (适合）
harmony 和谐
charm 魅力吸引力（harm的变体）