noun
travel expenses; transportation costs; fare
Covers costs for getting somewhere: train fare, taxi fare, gas money, or general travel expenses. Often used when someone else covers the cost.
交通費として足代を請求した。
I claimed travel expenses as transportation costs.
友達に足代を出してもらった。
My friend covered my travel expenses.
Compound of 足 (foot, leg) and 代 (cost, fee), literally 'foot money'. The exact historical derivation is uncertain, but the spelling is conventionally associated with travel expenses.