Where does “tu” come from?

tu (Old Occitan) comes from Latin tū, from Proto-Italic tū, from Proto-Indo-European túh₂ — you, thou.

Ancestry of “tu”, step by step

StepLanguageWordMeaning
1Latintūyou (singular); thou
2Proto-Italictūyou
3Proto-Indo-Europeantúh₂you, thou

Words derived from “tu”

Every word from Proto-Indo-European túh₂ →Every word from Proto-Italic tū →Every word from Latin tū →