Where does “đảm bảo phá huỷ lẫn nhau” come from?

đảm bảo phá huỷ lẫn nhau (Vietnamese) comes from Vietnamese lẫn nhau, 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.

đảm bảo phá huỷ lẫn nhau (Vietnamese): mutual assured destruction

Definitions

  1. mutual assured destruction

Ancestry of “đảm bảo phá huỷ lẫn nhau”, step by step

đảm bảo phá huỷ lẫn nhau traces back through 3 separate lines of ancestry.

via Vietnamese lẫn nhau

StepLanguageWordMeaning
1Vietnameselẫn nhaumutual; reciprocal; back and forth
2Vietnameselặnto dive; to hide; to set
3EnglishlaneA road, street, or similar thoroughfare; A narrow...
4Middle Englishlanelane, alley narrow passage between buildings
5Old Englishlanelane, narrow path
6Proto-West Germaniclanulane, passageway
7Proto-Germaniclanōlane, passageway

via Vietnamese đảm bảo

StepLanguageWordMeaning
1Vietnameseđảm bảoto guarantee, to sponsor

via Vietnamese phá huỷ

StepLanguageWordMeaning
1Vietnamesephá huỷto destroy; to demolish; to ruin
Every word from Proto-Germanic lanōEvery word from Proto-West Germanic lanuEvery word from Old English lane