The story
- Englishhal(ogen)
- Proto-Indo-European*dʰeh₁-
- English todayhalide
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Any salt of any halogen acid (such as hydrochloric acid, hydrofluoric acid, or hydroiodic acid). Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.