Where does “buckthorn” come from?

buckthorn (English) comes from English thorn, from Middle English þorn, from Old English þorn, from Proto-West Germanic þorn, from Proto-Germanic þurnuz, from Proto-Indo-European tr̥nós, from Proto-Indo-European (s)ter- — strong, firm, stiff, rigid; rigid, stiff; to...

buckthorn (English): Any of several, often thorny shrubs or small...

Definitions

  1. Any of several, often thorny shrubs or small...

Ancestry of “buckthorn”, step by step

buckthorn traces back through two separate lines of ancestry.

via English thorn

StepLanguageWordMeaning
1EnglishthornA sharp protective spine of a plant; Any shrub or...
2Middle EnglishþornAlternative form of thorn
3Old Englishþornthorn; thorny bush; the runic character ᚦ; the...
4Proto-West Germanicþornthorn, briar
5Proto-Germanicþurnuzthorn, briar
6Proto-Indo-Europeantr̥nóssharp, stiff
7Proto-Indo-European(s)ter-strong, firm, stiff, rigid; rigid, stiff; to...

via English buck

StepLanguageWordMeaning
1EnglishbuckA male deer, antelope, sheep, goat, rabbit, hare,...
2Middle Englishbukkemale goat; male deer or roe
3Old Englishbūcbelly, stomach; belly, stomach, pitcher; belly,...
4Proto-West Germanic*būk
5Proto-Germanicbūkazbelly, abdomen; body
6Proto-Indo-Europeanbʰōw-to inflate, swell; to swell, grow, thrive, be,...
Every word from Proto-Indo-European (s)ter-