属格 (ぞっかく, zokkaku) Japanese meaning: genitive case | KotomoraThe 's in 'John's book' is a genitive case marker.
Japanese 'no' can be used as a genitive particle.
Etymology
From 属 (ぞく, 'belonging') + 格 (かく, 'case'), a calque of the Western grammatical term 'genitive case'.