Where does “Beechtree” come from?

Beechtree (English) comes from English beech, from Middle English beche, from Old English bēċe, from Proto-West Germanic bōkijā, from Proto-West Germanic bōku, from Proto-Germanic bōkō, from Proto-Indo-European bʰeh₂ǵos — beech.

Ancestry of “Beechtree”, step by step

Beechtree traces back through two separate lines of ancestry.

via English beech

StepLanguageWordMeaning
1EnglishbeechA tree of the genus "Fagus" having a smooth,...
2Middle Englishbechebeech
3Old Englishbēċebeech
4Proto-West Germanicbōkijābeech
5Proto-West Germanicbōkubeech
6Proto-Germanicbōkōbeech
7Proto-Indo-Europeanbʰeh₂ǵosbeech

via English tree

StepLanguageWordMeaning
1EnglishtreeA perennial woody plant, not exactly defined, but...
2Middle EnglishtreA tree or a plant that resembles one
Every word from Proto-Indo-European bʰeh₂ǵos →Every word from Proto-Germanic bōkō →Every word from Proto-West Germanic bōku →