Where does “lốc xoáy” come from?

lốc xoáy (Vietnamese) comes from Vietnamese lốc, from English block, from French Bloc, from Middle French bloc, from Old French bloc, from Dutch blok, from Middle Dutch blok, from Old Dutch blok — thick plank, beam, pile, prop.

lốc xoáy (Vietnamese): tornado

Definitions

  1. tornado

Ancestry of “lốc xoáy”, step by step

lốc xoáy traces back through two separate lines of ancestry.

via Vietnamese lốc

StepLanguageWordMeaning
1Vietnameselốcvortex; tornado; block
2EnglishblockA substantial, often approximately cuboid, piece...
3FrenchBlocBloc — Bloc Québécois (Bloc québécois)
4Middle Frenchbloca considerable piece of something heavy, block
5Old Frenchbloclog, block
6Dutchbloka block; a street block; a political bloc
7Middle Dutchbloktreetrunk
8Old Dutchbloklog
9Proto-West Germanicblokkblock, log
10Proto-Germanicblukkąblock, log
11Proto-Indo-Europeanbhulg'-
12Proto-Indo-Europeanbhelg'-thick plank, beam, pile, prop

via Vietnamese xoáy

StepLanguageWordMeaning
1Vietnamesexoáyto swirl, to whirl
Every word from Proto-Indo-European bhelg'-