Where does “ថ្ងៃសីល” come from?

ថ្ងៃសីល (Khmer) comes from Khmer សីល, from Pali sīla, from Sanskrit शील, from Sanskrit शी, from Proto-Indo-European ḱey- — to be lying down; to settle.

ថ្ងៃសីល (Khmer): holy day; uposatha day the 8th and 15th days of the waxing moon and 8th and 15th days of the waning moon; usually days of abstinence and religious observance

Definitions

  1. holy day; uposatha day the 8th and 15th days of the waxing moon and 8th and 15th days of the waning moon; usually days of abstinence and religious observance

Ancestry of “ថ្ងៃសីល”, step by step

ថ្ងៃសីល traces back through two separate lines of ancestry.

via Khmer សីល

StepLanguageWordMeaning
1Khmerសីលprecept, moral practice/conduct/principle(s), virtue
2Palisīlanature; habit
3Sanskritशीलconduct, disposition, nature, tendency; custom,...
4Sanskritशीto lie down
5Proto-Indo-Europeanḱey-to be lying down; to settle

via Khmer ថ្ងៃ

StepLanguageWordMeaning
1Khmerថ្ងៃday; sun
2Proto-Austroasiatic*tŋiːʔday
Every word from Proto-Indo-European ḱey- →