Where does “ลอยกระทง” come from?

ลอยกระทง (Thai) comes from Thai ลอย, from Proto-Tai loːjᴬ — to swim.

ลอยกระทง (Thai): Loi Krathong annual festival in Tai cultures, held on a full moon day in the 12th month in the Thai lunar calendar

Definitions

  1. Loi Krathong annual festival in Tai cultures, held on a full moon day in the 12th month in the Thai lunar calendar

Ancestry of “ลอยกระทง”, step by step

ลอยกระทง traces back through two separate lines of ancestry.

via Thai ลอย

StepLanguageWordMeaning
1Thaiลอยto float
2Proto-Tailoːjᴬto swim

via Thai กระทง

StepLanguageWordMeaning
1Thaiกระทงcontainer made in various forms of banana leaves...
Every word from Proto-Tai loːjᴬ →Every word from Thai ลอย →