Праалтайский: *i̯ū́ńa ( ~ -u, -e)
Англ. значение: pit, ravine
Значение: яма, овраг
Комментарии: A Western isogloss. It is somewhat difficult to distinguish PA *i̯ū́ńa 'pit, ravine', *i̯ŭ́ne 'notch (on arrow)' and *i̯ańu 'line, furrow' because of natural contaminations, but such a distinction seems necessary. 
