Where does “dê trên” come from?

dê trên (Vietnamese) comes from Vietnamese dê, from Proto-Vietic -teː — goat.

Ancestry of “dê trên”, step by step

dê trên traces back through two separate lines of ancestry.

via Vietnamese

StepLanguageWordMeaning
1Vietnamesegoat; lewd; lascivious; The name of the...
2Proto-Vietic-teːgoat

via Vietnamese trên

StepLanguageWordMeaning
1Vietnamesetrênupper; higher, superior; on
2Proto-Vietick-leːɲ
Every word from Proto-Vietic -teːEvery word from Vietnamese