Where does “ahas-tulog” come from?

ahas-tulog (Tagalog) comes from Tagalog tulog, from Proto-Philippine *tuduʀ, from Proto-Malayo-Polynesian tuduʀ, from Proto-Austronesian tuduʀ — to sleep.

Ancestry of “ahas-tulog”, step by step

ahas-tulog traces back through two separate lines of ancestry.

via Tagalog tulog

StepLanguageWordMeaning
1Tagalogtulogsleep; asleep
2Proto-Philippine*tuduʀto sleep
3Proto-Malayo-Polynesiantuduʀto sleep
4Proto-Austronesiantuduʀto sleep

via Tagalog ahas

StepLanguageWordMeaning
1Tagalogahassnake
Every word from Proto-Austronesian tuduʀ