noun
equal split; splitting evenly
Archaic term for dividing something into equal parts, often used in historical or literary contexts.
昔の文献には、収穫を叩き分けにする慣習が記されている。
Old documents record the custom of splitting the harvest evenly.
等分 is the modern, neutral term for dividing into equal parts, while 叩き分け is archaic and rarely used today.
Compound of 叩き (from 叩く, 'to strike' or 'to divide') and 分け ('division'). The exact historical derivation is uncertain, but it likely referred to dividing something by striking or breaking it into equal portions.