English

spatterdash

From spatter + dash (“to throw violently”), (cement-based slurry): from the technique used to apply spatterdash to a wall.

A compound of spatter + dash ‘to throw violently’

Dutch spatten ‘to spout, burst’

Old Norse daska

Danish daske ‘to slap, strike’

Middle English daschen ‘to hit with a weapon and cause damage’

English dash

Today it means

noun A cement-based slurry applied to a wall in order to improve adhesion of the render.

Language periods are conventional ranges, not dates for this word.

Etymograph / spatterdash