Words — 2 found
していしゅ
知らぬは亭主ばかりなり
1. the husband is always the last to know; everyone knows of the wife's infidelity but the cuckolded husbandIdiomatic expression
知らぬは亭主許り也 【しらぬはていしゅばかりなり】
You can also try a search for last と.