負
フ, ま.ける, ま.かす, お.う

defeat, negative, -, minus, bear, owe, assume a responsibility

JLPT3 G3 S9 F443

The crouching figure described in 危 + 貝# commodities → stoop to *carry goods on one's back* → *carry*; *bear* (a load) → *be burdened*; *be shouldered with* (responsibility); *owe*; *sustain* (an injury); *turn one's back to/upon*; *go against* → *lose*; *be defeated*; *succumb* (to); *flee* (← be defeated in battle, then turn to flee; compare 北).

[Full Kanji Etymology List]