Where does “hadu” come from?

hadu (Proto-Malayo-Polynesian) comes from Proto-Austronesian Sadu, from Pali sādhu, from Sanskrit साधु, from Proto-Indo-Aryan *sáHdʰuṣ, from Proto-Indo-Iranian sáHdʰuš, from Proto-Indo-European séHdʰ-u-s, from Proto-Indo-European -us — Forms adjectives from Caland system roots.

Ancestry of “hadu”, step by step

StepLanguageWordMeaning
1Proto-AustronesianSadu
2Palisādhuwell
3Sanskritसाधुstraight, right; leading straight to a goal,...
4Proto-Indo-Aryan*sáHdʰuṣ
5Proto-Indo-IraniansáHdʰušsuccessful, accomplished
6Proto-Indo-EuropeanséHdʰ-u-s
7Proto-Indo-European-usForms adjectives from Caland system roots

Words derived from “hadu

Every word from Proto-Indo-European -usEvery word from Proto-Indo-European séHdʰ-u-sEvery word from Proto-Indo-Iranian sáHdʰuš