Where does “रत्त” come from?

रत्त (Prakrit) comes from Sanskrit रक्त, from Sanskrit रञ्ज्, from Proto-Indo-European *(s)reg-.

Ancestry of “रत्त”, step by step

StepLanguageWordMeaning
1Sanskritरक्तred; safflower L; Barringtonia acutangula L
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 रक्त →