Where does “glocca” come from?

glocca (Old High German) comes from Medieval Latin clocca, from Old Irish cloc, from Proto-Celtic klokkos, from Proto-Indo-European klēg-.

Ancestry of “glocca”, step by step

StepLanguageWordMeaning
1Medieval Latincloccabell; travelers' cape, literally “a bell”, so...
2Old Irishclocbell; clock
3Proto-Celticklokkosbell
4Proto-Indo-Europeanklēg-—
Every word from Proto-Indo-European klēg- →Every word from Proto-Celtic klokkos →Every word from Old Irish cloc →