Where does “Cassinian” come from?

Cassinian (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.

Cassinian (English): Of or relating to the astronomer Giovanni...

Definitions

  1. Of or relating to the astronomer Giovanni...

Ancestry of “Cassinian”, step by step

Cassinian 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 Cassini

StepLanguageWordMeaning
1EnglishCassini—
2ItalianCassini—
Every word from Proto-Indo-European óynos →
Cassinian — Etymology, Origin & Word History | Etymology Explorer