Where does “चाचू” come from?

चाचू (Hindi) comes from Hindi चाचा, from Prakrit 𑀘𑀸𑀘𑁆𑀘 — uncle.

Ancestry of “चाचू”, step by step

चाचू traces back through two separate lines of ancestry.

via Hindi चाचा

StepLanguageWordMeaning
1Hindiचाचाfather's younger brother
2Prakrit𑀘𑀸𑀘𑁆𑀘uncle

via Hindi ऊ

StepLanguageWordMeaning
1Hindiऊthe sixth vowel in Hindi
Every word from Prakrit 𑀘𑀸𑀘𑁆𑀘 →Every word from Hindi चाचा →