infraction
n.
mid-15c., "the breaking of an agreement," from Middle French infraction and directly from Latin infractionem (nominative infractio) "a breaking, weakening," noun of action from past participle stem of infringere "to break, crush" (see infringe).
〔李〕[in-=in 入；fract=to break 破；-ion n.=the act 表行为→“breaking in law or rule破坏法律，侵犯规则”→] n. violation of law;breach违犯；违背