Where does “lung lay” come from?

lung lay (Vietnamese) comes from Vietnamese lưng, from Proto-Vietic k-ləŋ, from Proto-Mon-Khmer t₁lan — python.

lung lay (Vietnamese): shaky, loose

Definitions

  1. shaky, loose

Ancestry of “lung lay”, step by step

lung lay traces back through two separate lines of ancestry.

via Vietnamese lưng

StepLanguageWordMeaning
1Vietnameselưngback
2Proto-Vietick-ləŋback
3Proto-Mon-Khmert₁lanpython

via Proto-Indo-European lAy-

StepLanguageWordMeaning
1Proto-Indo-EuropeanlAy-
Every word from Proto-Mon-Khmer t₁lanEvery word from Proto-Vietic k-ləŋEvery word from Vietnamese lưng