Where does “দুর্বল” come from?

দুর্বল (Bengali) comes from Sanskrit दुर्बल, from Sanskrit दुस्-, from Proto-Indo-Aryan duš-, from Proto-Indo-Iranian duš-, from Proto-Indo-European dus-, from Proto-Indo-European dēwǝ- — to fail, be behind, be lacking.

দুর্বল (Bengali): weak, feeble

Definitions

  1. weak, feeble

Ancestry of “দুর্বল”, step by step

StepLanguageWordMeaning
1Sanskritदुर्बलweak, feeble, emaciated, of little strength;...
2Sanskritदुस्-ill-, mal
3Proto-Indo-Aryanduš-
4Proto-Indo-Iranianduš-bad
5Proto-Indo-Europeandus-bad
6Proto-Indo-Europeandēwǝ-to fail, be behind, be lacking
Every word from Proto-Indo-European dēwǝ-Every word from Sanskrit दुस्-Every word from Proto-Indo-European dus-