Where does “Avalonian” come from?

Avalonian (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.

Avalonian (English): Of or relating to the microcontinent Avalonia

Definitions

  1. Of or relating to the microcontinent Avalonia

Ancestry of “Avalonian”, step by step

Avalonian 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 Avalonia

StepLanguageWordMeaning
1EnglishAvaloniaA microcontinent in the Paleozoic era, crustal fragments of which underlie south-west Great Britain and the eastern coast of North America
Every word from Proto-Indo-European óynosEvery word from Proto-Germanic ainazEvery word from Proto-West Germanic ain