noun
mountain area where hunting and logging are prohibited
Archaic term for a protected mountain zone, historically used in the context of feudal or village-managed forest reserves.
江戸時代には、留山で勝手に木を切ることは禁じられていた。
During the Edo period, cutting trees in a tometama was forbidden.
Compound of 留め (tome, 'stopping') + 山 (yama, 'mountain'), referring to a mountain where certain activities are stopped or prohibited. The exact historical derivation is uncertain, but the term is attested in Edo-period documents.