戈
カ, ほこ, ほこづくり, かのほこ

halberd, arms, festival car, float, tasselled spear radical (no. 62)

JLPT0 G13 S0 F5000

A depiction of a long *halberd* with a curved handle and sharp blade → *spear*; *lance*. Also, *battle*.

[Full Kanji Etymology List]