Where does “chăm lo” come from?

chăm lo (Vietnamese) comes from Vietnamese lò, from Vietnamese bỏ, from English board, from English boardrider, from English rider, from Middle English ridere, from Middle English ryder, from Old English rīdere — to fit, to fix, to put together.

chăm lo (Vietnamese): to be devoted to; to be committed to

Definitions

  1. to be devoted to; to be committed to

Ancestry of “chăm lo”, step by step

chăm lo traces back through two separate lines of ancestry.

via Vietnamese

StepLanguageWordMeaning
1Vietnamesekiln, furnace, oven, heater
2Vietnamesebỏto put, to place; to leave, to abandon; to quit
3EnglishboardA relatively long, wide and thin piece of any...
4Englishboardridersurfer
5EnglishriderOne who rides, often on a horse or a motorcycle;...
6Middle EnglishridereAlternative form of ryder
7Middle EnglishryderA rider or equestrian; one who rides a horse; A...
8Old Englishrīdererider, knight
9Old Englishrīdanto ride
10Proto-West Germanicrīdanto ride
11Proto-Germanicrīdanąto ride
12Proto-Indo-Europeanrēydʰ-
13Proto-Indo-Europeanh₂er-to fit, to fix, to put together

via Vietnamese Chăm

StepLanguageWordMeaning
1VietnameseChămthe Cham ethnic group; Cham
2Eastern ChamCamCham (ethnic group or language)
Every word from Proto-Indo-European h₂er-