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foot soldier (Edo period); samurai on foot
「歩」 has other readings with different meanings.
江戸時代には歩が城門の警備に当たっていた。
In the Edo period, foot soldiers were assigned to guard castle gates.
歩の身分は武士の中でも最も低い階級であった。
The rank of foot soldier was the lowest class among the samurai.
戦場では歩が先陣を切って敵に突撃した。
On the battlefield, foot soldiers led the charge against the enemy.