Where does “অকাঠ” come from?

অকাঠ (Bengali) comes from Bengali অ-, from Sanskrit अ-, from Proto-Indo-Iranian a-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

Ancestry of “অকাঠ”, step by step

StepLanguageWordMeaning
1Bengaliঅ-a-, an-, dis-, il-, im-, in-, ir-, -less, mal-,...
2Sanskritअ-un-, not; Used in the formation of imperfect,...
3Proto-Indo-Iraniana-un-, a-
4Proto-Indo-Europeann̥-not, un-
5Proto-Indo-Europeannenot
Every word from Proto-Indo-European ne →Every word from Sanskrit अ- →Every word from Proto-Indo-European n̥- →