Etymograph

English

amazonstone

From Amazon + stone, after the Amazon river.

A compound of Amazon + stone

Ancient Greek Ἀμαζών ‘Amazons, a mythical nation of female warriors…’

English Amazon

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 bluish-green variety of microcline feldspar used as a gemstone. The best known occurrences are at Crystal Peak and Pike's Peak in Colorado.

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

Etymograph / amazonstone