The story
- Old English · derived fromcnæpp“summit”
- Middle English · derived fromknappe“hillock”
- English todayKnapp
* As a German surname, from the noun Knabe (“boy, young unmarried man”). This is also found as the variant Knap. * As an English surname related to the above, from the noun knave, similar to Nave. * Also as an English surname, from Middle English knappe (“hillock”), from Old English cnæpp (“summit”), probably from the same source as Icelandic hnappur (“button”). * As a Jewish surname, from the German adjective knapp (“scarce, tight”).
Etymology from Wiktionary, CC BY-SA 4.0.