Translated from Russian in 2020 by Oleg Belyaev (ed.), Irina Khomchenkova, Julia Sinitsyna and Vadim Dyachkov.
игорная говяжья бабка
cow knucklebones
альчик
ankle bone
Ældat... je ʽmgærttīmæ qazynqom yssitoxsijæ
Алдат (подрос настолько, что) мог играть со своими сверстниками в бабки
Ældat (grew up enough, so he) could play knucklebones with his peers
ударять
бить
выбивать
большая бабка, которую мечут в кон, сбивая ею бабки
hit
beat
beat out
knucklebones which are thrown, which is fully consistent with reality. As for semantics, cf.
a big knucklebone which is thrown in a game, knocking down knucklebones with it