Where does “ສີ່ສິບເກົ້າ” come from?

ສີ່ສິບເກົ້າ (Lao) comes from Lao ເກົ້າ, from Proto-Tai *kɤwꟲ, from Middle Chinese 九, from Old Chinese 九, from Proto-Sino-Tibetan d/s-kəw — nine.

ສີ່ສິບເກົ້າ (Lao): forty-nine

Definitions

  1. forty-nine

Ancestry of “ສີ່ສິບເກົ້າ”, step by step

ສີ່ສິບເກົ້າ traces back through 3 separate lines of ancestry.

via Lao ເກົ້າ

StepLanguageWordMeaning
1Laoເກົ້າnine; head; headhair
2Proto-Tai*kɤwꟲnine
3Middle Chinese九—
4Old Chinese九—
5Proto-Sino-Tibetand/s-kəwnine

via Lao ສີ່

StepLanguageWordMeaning
1Laoສີ່four
2Proto-Taisiːᴮfour
3Middle Chinese四—
4Proto-Sino-Tibetan*pV-lijfour

via Lao ສິບ

StepLanguageWordMeaning
1Laoສິບten
2Middle Chinese十—
Every word from Proto-Sino-Tibetan d/s-kəw →Every word from Old Chinese 九 →Every word from Middle Chinese 九 →