Where does “tree bark” come from?

tree bark (English) comes from English bark, from Middle English bark, from Old English barc, from Old Norse bǫrkr, from Proto-Germanic barkuz, from Proto-Indo-European bʰerHǵós — birch.

tree bark (English): All the tissues of a tree external to the vascular cambium; includes epidermis, cortex and phloem

Definitions

  1. All the tissues of a tree external to the vascular cambium; includes epidermis, cortex and phloem

Ancestry of “tree bark”, step by step

tree bark traces back through two separate lines of ancestry.

via English bark

StepLanguageWordMeaning
1EnglishbarkTo make a short, loud, explosive noise with the...
2Middle Englishbarkbark; The exterior layer of a nut or other fruit;...
3Old Englishbarcbark
4Old Norsebǫrkrbark
5Proto-Germanicbarkuzbark of a tree
6Proto-Indo-EuropeanbʰerHǵósbirch

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 bʰerHǵós