Where does “Senegambian” come from?

Senegambian (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.

Senegambian (English): Of or relating to Senegambia

Definitions

  1. Of or relating to Senegambia

Ancestry of “Senegambian”, step by step

Senegambian 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 Senegambia

StepLanguageWordMeaning
1EnglishSenegambiaThe Senegambia Confederation, a loose confederation between the West African countries of Senegal and the Gambia
2EnglishGambia
3MandinkaKambra
Every word from Proto-Indo-European óynosEvery word from Proto-Germanic ainazEvery word from Proto-West Germanic ain