Etymology

T-form

Today it means: A second-person pronoun used in informal situations, to address friends, family, and sometimes inferiors. Full definition →

Latin tu ← Proto-Indo-European *túh₂
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The story

  1. Proto-Indo-European · derived from*túh₂
  2. Latin · derived fromtu
  3. English todayT-form

From the first letter of the second-person singular pronoun in Romance languages; ultimately from Latin tu and Proto-Indo-European *túh₂.

Words from the same roots

Latintu all →

tu quoqueT-V distinction

Proto-Indo-European*túh₂ all →

thouthy

Etymology from Wiktionary, CC BY-SA 4.0.