Where does “สิบห้า” come from?

สิบห้า (Thai) comes from Thai ห้า, from Proto-Tai *haːꟲ, from Old Chinese 五.

สิบห้า (Thai): 15; fifteen

Definitions

  1. 15; fifteen

Ancestry of “สิบห้า”, step by step

สิบห้า traces back through two separate lines of ancestry.

via Thai ห้า

StepLanguageWordMeaning
1Thaiห้า5; five
2Proto-Tai*haːꟲfive
3Old Chinese五—

via Thai สิบ

StepLanguageWordMeaning
1Thaiสิบ10; ten
Every word from Old Chinese 五 →Every word from Proto-Tai *haːꟲ →Every word from Thai ห้า →