Where does “jierboek” come from?

jierboek (West Frisian) comes from West Frisian boek, from Old Frisian bōk, from Proto-West Germanic bōkijā, from Proto-West Germanic bōku, from Proto-Germanic bōkō, from Proto-Indo-European bʰeh₂ǵos — beech.

jierboek (West Frisian): yearbook

Definitions

  1. yearbook

Ancestry of “jierboek”, step by step

jierboek traces back through two separate lines of ancestry.

via West Frisian boek

StepLanguageWordMeaning
1West Frisianboekbook
2Old Frisianbōk—
3Proto-West Germanicbōkijābeech
4Proto-West Germanicbōkubeech
5Proto-Germanicbōkōbeech
6Proto-Indo-Europeanbʰeh₂ǵosbeech

via West Frisian jier

StepLanguageWordMeaning
1West Frisianjieryear
2Old Frisianjēryear
3Proto-West Germanicjāryear
4Proto-Germanicjērąyear; name of the J-rune
5Proto-Indo-Europeanyeh₁r-year
Every word from Proto-Indo-European bʰeh₂ǵos →Every word from Proto-Germanic bōkō →Every word from Proto-West Germanic bōku →