攻め
せめ · seme · JLPT N1 · noun
attack
攻 — 工 (gōng, phonetic) + 攵 (strike/action)
A semantic-phonetic compound: 攵 (a hand holding a stick) gives the meaning of striking or attacking, while 工 supplies the sound. Originally meaning to attack militarily, it later extended to 'work on' or 'study intensively,' as in 攻读.