Where does “tailspin” come from?

Tailspin comes from English tail and Middle English spinnen, from Old English spinnan, from Proto-Germanic spinnaną, ultimately from Proto-Indo-European roots meaning to turn or rotate.

tailspin (English): The rapid, uncontrollable descent of an aircraft...

Definitions

  1. The rapid, uncontrollable descent of an aircraft...

Ancestry of “tailspin”, step by step

tailspin traces back through two separate lines of ancestry.

via English spin

StepLanguageWordMeaning
1EnglishspinTo rotate, revolve, gyrate (usually quickly); to partially or completely rotate to face another direction
2Middle EnglishspinnenTo spin or convert fibre into yarn; To make...
3Old Englishspinnanto spin
4Proto-Germanicspinnanąto spin
5Proto-Indo-European(s)pénh₁-ne-
6Proto-Indo-European(s)penh₁-to twist; to weave

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)penh₁-Every word from Proto-Indo-European (s)pénh₁-ne-Every word from Proto-Germanic spinnaną