barnbarnsbarnbarn

== Swedish == === Etymology === From barnbarn +‎ -s- +‎ barnbarn. === Noun === barnbarnsbarnbarn n a great-great-grandchild (the child of one's great-grandchild) ==== Declension ==== === References === “barnbarnsbarnbarn”, in Svenska Akademiens ordbok [Dictionary of the Swedish Academy] (in Swedish)