English

hypostain

From hypo + stain.

A compound of hypo + stain

Proto-Indo-European *upó ‘under, below’

Ancient Greek ὑπό ‘under’

English hypo

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

Proto-Germanic *stainaz ‘stone’

Proto-Norse stainaz ‘stone’

Old Norse steina ‘to stain, colour, paint’

Middle English steinen

English stain

Today it means

verb To accidentally stain with hypo

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

Etymograph / hypostain