ahuru

“The Polynesians, like the Algonquins, then say, ten and one for eleven, &c., till twenty, which is erua ahuru, this is two tens; twenty-one consists of the terms for two tens and one.”

Memoirs of 30 Years with the Indian Tribes on the American Frontiers

“&c., till twenty, which is _erua ahuru_, this is two tens; twenty-one consists of the terms for two tens and one.”

Personal Memoirs of a Residence of Thirty Years with the Indian Tribes on the American Frontiers