Etymograph

English

haloform

From halo- + -form.

A compound of halo- + -form

Proto-Indo-European *sḗh₂l ‘salt’

Proto-Hellenic *hā́ls ‘salt’

Ancient Greek ἅλς ‘sea, salt’

English halo-

Today it means

noun Any trihalomethane with all halogens the same, CHX₃.

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

Etymograph / haloform