English

hammerstone

From hammer + stone.

A compound of hammer + stone

Proto-Germanic *hamaraz ‘tool with a stone head’

Proto-West Germanic *hamar

Old English hamor

Middle English hamer ‘a hammer’

Proto-Indo-European *steyh₂- ‘to stiffen’

…

Proto-Germanic *stainaz

Proto-West Germanic *stain

Old English stān

Middle English ston ‘a stone’

English stone

Today it means

noun A type of stone used to hit or strike in a similar way to a modern-day hammer.

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

Etymograph / hammerstone