English

Hydrid

From Hydra + -id.

Formed from Hydra + -id

Proto-Indo-European *wed- ‘water’

Proto-Indo-European *údreh₂ ‘aquatic’

Ancient Greek ὕδρα ‘the constellation Hydra’

Latin Hydra

English Hydra

Today it means

noun Any of the meteors in a meteor shower that appears to come from the constellation Hydra.

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