noun
mud splash; mud spatter
Refers to mud splashing up, typically from a vehicle or while walking, and the resulting spots on clothing or surfaces.
車が通って、ズボンに泥はねがかかった。
A car passed by and my pants got splashed with mud.
雨の日は泥はねに注意してください。
Please be careful of mud splashes on rainy days.
Compound of 泥 (doro, 'mud') and はね (hane, the noun form of 跳ねる haneru, 'to splash').