Where does “sandthorn” come from?

sandthorn (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...

sandthorn (English): A species of sea buckthorn, Hippophae rhamnoides,...

Definitions

  1. A species of sea buckthorn, Hippophae rhamnoides,...

Ancestry of “sandthorn”, step by step

sandthorn 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 sand

StepLanguageWordMeaning
1EnglishsandRock that is ground more finely than gravel, but...
2Middle EnglishsondAlternative form of sand
3Old Englishsandaction of sending, embassy, mission, deputation;...
4Norwegian Nynorsksamdin agreement
5Proto-Germanicsamdazsand
6Proto-Indo-Europeansámh₂dʰossand
7Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European (s)ter-Every word from Proto-Indo-European tr̥nósEvery word from Proto-Germanic þurnuz