Where does “asteroidean” come from?

asteroidean (English) comes from English ān, from Middle English ān, from Old English ān, from Proto-West Germanic ain, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

asteroidean (English): Any starfish of the class Asteroidea

Definitions

  1. Any starfish of the class Asteroidea

Ancestry of “asteroidean”, step by step

asteroidean traces back through two separate lines of ancestry.

via English ān

StepLanguageWordMeaning
1Englishān
2Middle Englishāna, an indefinite article
3Old Englishānlonely; entirely alone, solitary, single; one
4Proto-West Germanicainone
5Proto-Germanicainazone; some
6Proto-Indo-Europeanóynosone; single

via English mul-tax:Asteroidea

StepLanguageWordMeaning
1Englishmul-tax:Asteroidea
Every word from Proto-Indo-European óynosEvery word from Proto-Germanic ainazEvery word from Proto-West Germanic ain