徒行 is read as とこう (tokou) and means walking.
とこう
tokou
しとぎょうでん
Acts of the Apostles (book of the Bible)
しとげんこうろく
とほ
walking
とろう
fruitless effort
あだ
vain
とてい
apprentice
かちど
walker
あだびと
stylish person
いたずらびと
dead person
ずにん
prisoner (for one to three years under the ritsuryō system)
むだがね
wasted money
としゅ
being penniless