トウ, たたか.う, あらそ.う, と

fight, war

JLPT1 G7 S18 F751

鬪 is a variant of 鬭 with the same meanings (*fight*; *battle*; *contend* → *strive*). Whether in error or as a simplification, 鬪 replaces with a variant of (set/stand in place) as described in .

[Full Kanji Etymology List]