Where does “Altaian” come from?

Altaian (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.

Altaian (English): Of or relating to the Altai, a mountain chain in Central Asia

Definitions

  1. Of or relating to the Altai, a mountain chain in Central Asia

Ancestry of “Altaian”, step by step

Altaian 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 Altai

StepLanguageWordMeaning
1EnglishAltai}}, where Russia, China, Mongolia and Kazakhstan converge
2Turkishaltıngold; genitive singular of alt; second-person...
3Ottoman Turkishآلتونgold
4Proto-Turkicaltungold
Every word from Proto-Indo-European óynos →Every word from Proto-Germanic ainaz →Every word from Proto-West Germanic ain →