tū, /t̪uː/, n. The singular second person pronoun, "thou"
usage: तू काए करतोएस? /tuː kɐːɛ kəɹˈtoɛs/; What are you doing?
etymology: From SPMR तु, तू from MHP tuṁ, tūṁ, from some unattested dialect of Sanskrit, from PIA *túH, ultimately from PIE *túh₂.