Where does “thorntail” come from?

thorntail (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...

thorntail (English): Any of various hummingbirds of the genus...

Definitions

  1. Any of various hummingbirds of the genus...

Ancestry of “thorntail”, step by step

thorntail 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 Tail

StepLanguageWordMeaning
1EnglishTailA Chinese constellation coinciding with the tail of Scorpius, one of the 28 lunar mansions and the tail of Azure Dragon
2Middle EnglishtaylA tail; The back side or reverse of a creature; A...
3Old Englishtæġltail
4Proto-Germanictagląhair; ponytail; hair of a tail; tail
5Proto-Indo-Europeandoḱ-hair of the tail
6Proto-Indo-Europeandeḱ-take; perceive
Every word from Proto-Indo-European (s)ter-Every word from Proto-Indo-European tr̥nósEvery word from Proto-Germanic þurnuz