grunnstein

== Norwegian Bokmål == === Etymology === From grunn +‎ stein. === Noun === grunnstein m (definite singular grunnsteinen, indefinite plural grunnsteiner, definite plural grunnsteinene) a foundation stone (of a building; also used figuratively) ==== Usage notes ==== Also spelt grunnsten, possibly mainly in Riksmål. === References === “grunnstein” in The Bokmål Dictionary. == Norwegian Nynorsk == === Etymology === From grunn +‎ stein. === Noun === grunnstein m (definite singular grunnsteinen, indefinite plural grunnsteinar, definite plural grunnsteinane) a foundation stone (of a building; also used figuratively) === References === “grunnstein” in The Nynorsk Dictionary.