Etymograph

English

haloacid

From halo- + acid.

A compound of halo- + acid

Proto-Indo-European *sḗh₂l ‘salt’

Proto-Hellenic *hā́ls ‘salt’

Ancient Greek ἅλς ‘sea, salt’

English halo-

Proto-Indo-European *h₂eḱ- ‘sharp’

…

Proto-Italic *akēō

Latin aceō ‘to be sour’

Latin acidus ‘sour’

French acide ‘acid’

English acid

Today it means

noun Any halogen derivative of a carboxylic acid (but especially 2-chloro-carboxylic acids that are active in cell biology).

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

Etymograph / haloacid