Where does “culmino” come from?

culmino (Latin) comes from Latin culmen, from Proto-Italic kolamen, from Proto-Indo-European ḱelH- — to freeze.

Ancestry of “culmino”, step by step

StepLanguageWordMeaning
1Latinculmenstalk; top, roof, summit, peak; height, acme
2Proto-Italickolamen—
3Proto-Indo-EuropeanḱelH-to freeze
Every word from Proto-Indo-European ḱelH- →Every word from Proto-Italic kolamen →Every word from Latin culmen →