Where does “isanlibo” come from?

isanlibo (Tagalog) comes from Tagalog libo, from Malay ribu, from Proto-Malayic *ribu, from Proto-Malayo-Polynesian *ʀibu — thousand.

Ancestry of “isanlibo”, step by step

isanlibo traces back through two separate lines of ancestry.

via Tagalog libo

StepLanguageWordMeaning
1Tagaloglibothousand
2Malayributhousand; million
3Proto-Malayic*ribu
4Proto-Malayo-Polynesian*ʀibuthousand

via Tagalog isa

StepLanguageWordMeaning
1Tagalogisaone
2ArabicعِيسَىJesus
3HebrewיְהוֹשֻׁעַJoshua
Every word from Proto-Malayo-Polynesian *ʀibu