Where does “dagbók” come from?

dagbók (Icelandic) comes from Icelandic dagur, from Old Norse dagr, from Proto-Germanic dagaz, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.

dagbók (Icelandic): diary

Definitions

  1. diary

Ancestry of “dagbók”, step by step

dagbók traces back through two separate lines of ancestry.

via Icelandic dagur

StepLanguageWordMeaning
1Icelandicdagura day
2Old Norsedagra day; days, times
3Proto-Germanicdagazday; name of the D-rune
4Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot

via Icelandic bók

StepLanguageWordMeaning
1Icelandicbóka book
2Old Norsebókbeech; textile fabric with figures woven in it;...
3Proto-Germanicbōksletter, written message, inscriptions carved into...
4Proto-Indo-Europeanbʰeh₂ǵosbeech
Every word from Proto-Indo-European dʰegʷʰ-Every word from Proto-Germanic dagazEvery word from Old Norse dagr