Where does “lẫn nhau” come from?

lẫn nhau (Vietnamese) comes from Vietnamese lặn, from English lane, from Middle English lane, from Old English lane, from Proto-West Germanic lanu, from Proto-Germanic lanō — lane, passageway.

lẫn nhau (Vietnamese): mutual; reciprocal; back and forth

Definitions

  1. mutual; reciprocal; back and forth

Ancestry of “lẫn nhau”, step by step

lẫn nhau traces back through two separate lines of ancestry.

via Vietnamese lặn

StepLanguageWordMeaning
1Vietnameselặnto dive; to hide; to set
2EnglishlaneA road, street, or similar thoroughfare; A narrow...
3Middle Englishlanelane, alley narrow passage between buildings
4Old Englishlanelane, narrow path
5Proto-West Germaniclanulane, passageway
6Proto-Germaniclanōlane, passageway

via Vietnamese nhậu

StepLanguageWordMeaning
1Vietnamesenhậuto have a carousal or drinking party, often with hors d'oeuvres
2Proto-Vieticɲuːʔto drink
3Proto-Mon-Khmerɲuʔ

Words derived from “lẫn nhau

Every word from Proto-Germanic lanōEvery word from Proto-West Germanic lanuEvery word from Old English lane
lẫn nhau — Etymology, Origin & Word History | Etymology Explorer