Where does “thư điện tử” come from?

thư điện tử (Vietnamese) comes from Vietnamese thứ, from Chinese 首, from Proto-Sino-Tibetan *qV-luʔ — head.

thư điện tử (Vietnamese): e-mail

Definitions

  1. e-mail

Ancestry of “thư điện tử”, step by step

thư điện tử traces back through two separate lines of ancestry.

via Vietnamese thứ

StepLanguageWordMeaning
1Vietnamesethứinferior in quality, second, second vice, under;...
2Chineseneck
3Proto-Sino-Tibetan*qV-luʔhead

via Vietnamese điện tử

StepLanguageWordMeaning
1Vietnameseđiện tửSynonym of electron; electronic
2Japanese電子electron; the quality of being electronic
Every word from Proto-Sino-Tibetan *qV-luʔEvery word from Chinese Every word from Vietnamese thứ