Where does “कठोर-दिली” come from?

कठोर-दिली (Hindi) comes from Hindi -ई, from Prakrit -𑀇𑀅, from Sanskrit -इक, from Lithuanian -ikas, from Proto-Indo-European -iḱos — -y, -ic.

Ancestry of “कठोर-दिली”, step by step

StepLanguageWordMeaning
1Hindi-ईrelating to, forms adjectives from nouns; doer,...
2Prakrit-𑀇𑀅ed
3Sanskrit-इकadjectival suffix; doer
4Lithuanian-ikas—
5Proto-Indo-European-iḱos-y, -ic
Every word from Proto-Indo-European -iḱos →Every word from Sanskrit -इक →Every word from Hindi -ई →
कठोर-दिली — Etymology, Origin & Word History | Etymology Explorer