co-parent-in-law, parents of one's child-in-law. · in-law, a relative formed through marriage
köken: First attested in the Beonyeok nogeoldae (飜譯老乞大 / 번역노걸대), 1517, as Middle Korean 사돈, of unclear origin. The hanja spelling first appears in the 19th century and may be eumyeokja (음역자). Possibly related to Manchu ᠰᠠᡩᡠᠨ (sadun).