Where does “thistletail” come from?

thistletail (English) comes from English thistle, from Middle English þistel, from Old English þistel, from Proto-West Germanic *þistil, from Proto-Germanic þistilaz, from Proto-Indo-European (s)teyg- — to be sharp; to sting.

thistletail (English): An ovenbird of the former genus Schizoeaca, now regarded as belonging to the genus Asthenes which also comprises canasteros

Definitions

  1. An ovenbird of the former genus Schizoeaca, now regarded as belonging to the genus Asthenes which also comprises canasteros

Ancestry of “thistletail”, step by step

thistletail traces back through two separate lines of ancestry.

via English thistle

StepLanguageWordMeaning
1EnglishthistleAny of several perennial composite plants,...
2Middle EnglishþistelAlternative form of thistel
3Old Englishþistelthistle
4Proto-West Germanic*þistilthistle
5Proto-Germanicþistilazthistle
6Proto-Indo-European(s)teyg-to be sharp; to sting

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)teyg-Every word from Proto-Germanic þistilazEvery word from Proto-West Germanic *þistil