セン, いくさ, たたか.う, おのの.く, そよ.ぐ, わなな.く, せ

war, battle, match

JLPT3 G4 S13 F78

As per # (weapon) + spear/halberd → use various weapons to beat enemies into submission or to death → *fight*; *war*.

[Full Kanji Etymology List]