Where does “สมทบ” come from?

สมทบ (Thai) comes from Thai สม, from Pali samā, from Sanskrit सम, from Proto-Indo-Iranian samHás, from Proto-Indo-European somHós, from Proto-Indo-European sem- — together, one.

สมทบ (Thai): to join; to combine

Definitions

  1. to join; to combine

Ancestry of “สมทบ”, step by step

สมทบ traces back through two separate lines of ancestry.

via Thai สม

StepLanguageWordMeaning
1Thaiสมsuitable; well matched; right; to join; to...
2Palisamāyear; masculine/neuter ablative singular of sama;...
3Sanskritसमsame, equal, alike; equivalent to, like,...
4Proto-Indo-IraniansamHássame, equal
5Proto-Indo-EuropeansomHóssame, alike
6Proto-Indo-Europeansem-together, one

via Thai ทบ

StepLanguageWordMeaning
1Thaiทบto fold; to double up
Every word from Proto-Indo-European sem-Every word from Proto-Indo-European somHósEvery word from Proto-Indo-Iranian samHás