Where does “ruga” come from?

ruga (Sardinian) comes from Latin rūga, from Proto-Indo-European krewp-, from Proto-Indo-European krew- — to fall, collapse; scab; to fall, break, bruise.

ruga (Sardinian): caterpillar

Definitions

  1. caterpillar

Ancestry of “ruga”, step by step

StepLanguageWordMeaning
1Latinrūgaa crease in the face, wrinkle
2Proto-Indo-Europeankrewp-scab, crust; to become encrusted
3Proto-Indo-Europeankrew-to fall, collapse; scab; to fall, break, bruise
Every word from Proto-Indo-European krew- →Every word from Proto-Indo-European krewp- →Every word from Latin rūga →
ruga — Etymology, Origin & Word History | Etymology Explorer