Where does “*ster” come from?

*ster (Old Cornish) comes from Proto-Brythonic ster, from Proto-Celtic sterā, from Proto-Indo-European h₂stḗr, from Proto-Indo-European h₂eHs- — to be/become dry; to burn, to glow; hearth.

Ancestry of “*ster”, step by step

StepLanguageWordMeaning
1Proto-Brythonicsterstar
2Proto-Celticsterāstar
3Proto-Indo-Europeanh₂stḗrstar
4Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

Words derived from “*ster”

Every word from Proto-Indo-European h₂eHs- →Every word from Proto-Indo-European h₂stḗr →Every word from Proto-Celtic sterā →