ヘドロ

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ヘドロ

Wikipedia ^ja

• (ateji, uncommon) 屁(へ)泥(どろ) (hedoro)

Uncertain. Often said to be a portmanteau of 反吐(へど) (hedo) and 泥(どろ) (doro). (Can this⁽⁺⁾ etymology be sourced?)

ヘドロ or へどろ • (hedoro) 

1. sewage sludge