Where does “kagrom” come from?

kagrom (Proto-Celtic) comes from Proto-Celtic kagyom, from Proto-Indo-European kagʰyóm, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “kagrom”, step by step

StepLanguageWordMeaning
1Proto-Celtickagyompen, enclosure
2Proto-Indo-Europeankagʰyómenclosure, hedge
3Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European -yós →Every word from Proto-Indo-European kagʰyóm →Every word from Proto-Celtic kagyom →