Sommerfelder

== German == === Etymology === From Sommerfeld +‎ -er. === Pronunciation === IPA(key): [ˈzɔmɐˌfɛldɐ] Hyphenation: Som‧mer‧fel‧der === Noun === Sommerfelder m (strong, genitive Sommerfelders, plural Sommerfelder, feminine Sommerfelderin) A native or resident of Sommerfeld ==== Declension ==== ==== Related terms ==== Winterfelder, Schönfelder === Adjective === Sommerfelder (indeclinable, no predicative form) (relational) of Sommerfeld ==== Usage notes ==== Words like this are considered indeclinable adjectives, as noted by Duden, DWDS and other modern German references, but are capitalized because they originated as genitive plurals of substantives. See -er for more.