Etymograph

English

hardstone

From hard + stone.

Formed from hard + stone

Proto-Germanic *harduz

Proto-West Germanic *hard(ī)

Old English heard ‘hard’

Middle English hard

English hard

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 Precious stone or semi-precious stone used to make intaglio, mosaics etc.

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

Etymograph / hardstone