Where does “ertu” come from?

ertu (Icelandic) comes from Icelandic þú, from Old Norse þú, from Proto-Germanic *þū, from Proto-Indo-European túh₂ — you, thou.

ertu (Icelandic): you are, are you

Definitions

  1. you are, are you

Ancestry of “ertu”, step by step

ertu traces back through two separate lines of ancestry.

via Icelandic þú

StepLanguageWordMeaning
1Icelandicþúyou, thou
2Old Norseþúyou
3Proto-Germanic*þū—
4Proto-Indo-Europeantúh₂you, thou

via Icelandic ert

StepLanguageWordMeaning
1Icelandicertyou are, second-person of vera
2Old Norseest—
Every word from Proto-Indo-European túh₂ →Every word from Proto-Germanic *þū →Every word from Old Norse þú →