ʼałtsʼen xundelaayi

== Ahtna == === Etymology === ʼałtsʼen (“five”) + xundelaayi, which forms multiples of ten. === Numeral === ʼałtsʼen xundelaayi (Central, Lower, Western) fifty === References === Kari, James (1990), Ahtna Athabaskan Dictionary, Fairbanks, Alaska: Alaska Native Language Center, →ISBN, page 634