Where does “Sumbawanese” come from?

Sumbawanese (English) comes from English Sumbawan, 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.

Ancestry of “Sumbawanese”, step by step

Sumbawanese traces back through two separate lines of ancestry.

via English Sumbawan

StepLanguageWordMeaning
1EnglishSumbawanOf or relating to the island of Sumbawa
2Englishān
3Middle Englishāna, an indefinite article
4Old Englishānlonely; entirely alone, solitary, single; one
5Proto-West Germanicainone
6Proto-Germanicainazone; some
7Proto-Indo-Europeanóynosone; single

via English ese

StepLanguageWordMeaning
1Englishesedude, man
2Mexican SpanisheseThe name of the Latin-script letter S; that;...
3Latinipsehimself, herself, itself, the very, the actual;...
4Proto-Italic*e(s)pesohimself, herself, itself
Every word from Proto-Indo-European óynosEvery word from Proto-Germanic ainazEvery word from Proto-West Germanic ain
Sumbawanese — Etymology, Origin & Word History | Etymology Explorer