Where does “rũ xuống” come from?

rũ xuống (Vietnamese) comes from Vietnamese rú, from Old French rue, from Latin rūga, from Proto-Indo-European krewp-, from Proto-Indo-European krew- — to fall, collapse; scab; to fall, break, bruise.

rũ xuống (Vietnamese): to hang down

Definitions

  1. to hang down

Ancestry of “rũ xuống”, step by step

rũ xuống traces back through two separate lines of ancestry.

via Vietnamese rú

StepLanguageWordMeaning
1Vietnameserúforest, woods; mountain; mountainous areas
2Old Frenchruerue (plant)
3Latinrūgaa crease in the face, wrinkle
4Proto-Indo-Europeankrewp-scab, crust; to become encrusted
5Proto-Indo-Europeankrew-to fall, collapse; scab; to fall, break, bruise

via Vietnamese xuống

StepLanguageWordMeaning
1Vietnamesexuốngto go downwards; to descend; to get off; to go to
2Proto-Vietictʃɔːŋʔ—
Every word from Proto-Indo-European krew- →Every word from Proto-Indo-European krewp- →Every word from Latin rūga →