rebar

Ringは終わりに近くなってきました。AsakawaとRyujiは井戸に投げ捨てられたSadakoの遺体を見つけるために井戸をに入ります。
"Give me a hand here," said Ryuji. He'd grabbed a piece of rebar poking out from a crack in the concrete lid and was trying to pull the lid onto the downhill slope.
"rebar" は初めて見る単語なので辞書を見ます。
・Collins Dictionary: (civil engineering, US & Canadian) a rod that provides reinforcement in concrete structures: Pieces of stucco dangled from rebar and an armada of ambulances gathered behind police tape.
・Merriam-Webster's Online Dictionary: a steel rod with ridges for use in reinforced concrete: Origin of REBAR: reinforcing bar First Known Use: 1953
なるほど、 "reinforcing bar" からできた言葉ですか。