Where does “Chełm” come from?

Chełm (Polish) comes from Proto-Slavic xъlmъ, from Proto-Germanic hulmaz, from Proto-Indo-European kl̥Hmos, from Proto-Indo-European ḱelH- — to freeze.

Ancestry of “Chełm”, step by step

StepLanguageWordMeaning
1Proto-Slavicxъlmъhill
2Proto-Germanichulmazsmall island, hill, mound
3Proto-Indo-Europeankl̥Hmos—
4Proto-Indo-EuropeanḱelH-to freeze

Words derived from “Chełm”

Every word from Proto-Indo-European ḱelH- →Every word from Proto-Indo-European kl̥Hmos →Every word from Proto-Germanic hulmaz →