foot soldier (Edo period); samurai on foot
「徒歩」 has another reading with different meanings.
walking; going on foot
昔の人は徒歩で長い距離を移動した。
In the past, people traveled long distances on foot.
徒歩での旅は心身の健康にも良い。
Walking journeys are also good for health.
参勤交代では長い徒歩の行列が続いた。
Lines of people on foot continued for sankin-kotai.