筏いかだ流ながし

noun

timber rafting; floating bound logs downstream

Refers to the traditional practice of binding logs together into rafts and sending them down a river, often for transport.

• 昔むかしは山やまで切きった木きを筏いかだ流ながしで運はこんだ。

  In the old days, they transported trees cut in the mountains by timber rafting.