Пратюркский: *sabak ?
Англ. значение: vice
Значение: тиски
Турецкий: ? savak 'water chute'
Тувинский: sāk
Комментарии: Phonetically a good match pointing to PT *sabak - but very poorly represented and dubious semantically (the meaning 'water chute' in Turkic - because of the shape of the object?).
