combat
v.
1560s, from Middle French combat (16c.), from Old French combattre (12c.), from Late Latin combattere, from Latin com- "with" (each other) (see com-) + battuere "to beat, fight" (see batter, v.). Related: Combated; combating; combatted; combatting.
n.
1560s, from Middle French combat (16c.), from combattre (see combat, v.).
〔李〕[com-=with 与；bat=to beat 打⇒“to beat with 与…打仗”→] vt. fight against 跟…战斗，反对
〔李〕[com-;bat] n.战斗； 格斗； 反对 ←bat,batt (L battere)=to beat 打击
〔蒋〕[com-表示with，bat打;’to fight with，to fight against”] 战斗，格斗，竞争，反对