Where does “lacha” come from?

lacha (Caló) comes from Sanskrit लज्जा, from Sanskrit रञ्ज्, from Proto-Indo-European *(s)reg-.

Ancestry of “lacha”, step by step

StepLanguageWordMeaning
1Sanskritलज्जाshame, embarrassment, modesty; sensitivity,...
2Sanskritरञ्ज्to redden; to dye or color
3Proto-Indo-European*(s)reg-—
Every word from Proto-Indo-European *(s)reg- →Every word from Sanskrit रञ्ज् →Every word from Sanskrit लज्जा →