Where does “bộ tám” come from?

bộ tám (Vietnamese) comes from Vietnamese bỏ, from English board, from English boardrider, from English rider, from Middle English ridere, from Middle English ryder, from Old English rīdere, from Old English rīdan — to fit, to fix, to put together.

bộ tám (Vietnamese): octet

Definitions

  1. octet

Ancestry of “bộ tám”, step by step

bộ tám traces back through two separate lines of ancestry.

via Vietnamese bỏ

StepLanguageWordMeaning
1Vietnamesebỏto put, to place; to leave, to abandon; to quit
2EnglishboardA relatively long, wide and thin piece of any...
3Englishboardridersurfer
4EnglishriderOne who rides, often on a horse or a motorcycle;...
5Middle EnglishridereAlternative form of ryder
6Middle EnglishryderA rider or equestrian; one who rides a horse; A...
7Old Englishrīdererider, knight
8Old Englishrīdanto ride
9Proto-West Germanicrīdanto ride
10Proto-Germanicrīdanąto ride
11Proto-Indo-Europeanrēydʰ-
12Proto-Indo-Europeanh₂er-to fit, to fix, to put together

via Vietnamese tắm

StepLanguageWordMeaning
1Vietnamesetắmto wash a body, usually your own; to bathe, to...
2Chineseheart, mind
3Proto-Mon-Khmersəm
Every word from Proto-Indo-European h₂er-
bộ tám — Etymology, Origin & Word History | Etymology Explorer