Where does “*hal” come from?

*hal (Proto-Brythonic) comes from Proto-Celtic *sālos, from Proto-Indo-European *sḗh₂l — salt.

Ancestry of “*hal”, step by step

StepLanguageWordMeaning
1Proto-Celtic*sālossaltwater
2Proto-Indo-European*sḗh₂lsalt

Words derived from “*hal”

Every word from Proto-Indo-European *sḗh₂l →Every word from Proto-Celtic *sālos →