Where does “cặp bài trùng” come from?

cặp bài trùng (Vietnamese) comes from Vietnamese bài, from English bye, from Old English bī, from Proto-West Germanic bī, from Proto-Germanic bi, from Proto-Indo-European h₂m̥bʰi, from Proto-Indo-European h₂n̥tbʰi, from Proto-Indo-European h₂énts — on, onto.

cặp bài trùng (Vietnamese): perfect pair; perfect match

Definitions

  1. perfect pair; perfect match

Ancestry of “cặp bài trùng”, step by step

cặp bài trùng traces back through 3 separate lines of ancestry.

via Vietnamese bài

StepLanguageWordMeaning
1Vietnamesebàicard, playing card, card game; tag, tablet;...
2EnglishbyeThe position of a person or team in a tournament...
3Old Englishlullaby!; near, by; by, near, around
4Proto-West Germanicby, at; near, around
5Proto-Germanicbiby, at; near, around
6Proto-Indo-Europeanh₂m̥bʰiaround, on either side of, about; in exchange...
7Proto-Indo-Europeanh₂n̥tbʰi
8Proto-Indo-Europeanh₂éntsforehead; front
9Proto-Indo-Europeanh₂ent-face; forehead; front
10Proto-Indo-Europeanh₂en-on, onto

via Vietnamese trứng

StepLanguageWordMeaning
1Vietnamesetrứngan egg
2Chinesemiddle
3Proto-Sino-Tibetant/duŋnavel; centre

via Vietnamese cặp

StepLanguageWordMeaning
1Vietnamesecặppair, duo, couple; wooden satchel used to hold...
2Proto-Taiɡapᴰclose; tight; narrow
3Middle Chinese
Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂énts