und-

Partly a loan from Middle Low German ent-, unt-, from Proto-Germanic *andi- (cf. German ent-), and partly an abbreviation of Old Norse undan, from Proto-Germanic *undanē (“down under”).

• IPA^(key): [ˈɔn-]

und-

1. Inseparable verb prefix indicating removing something from the object, from, away from, off.

• unddrage
• undfange
• undfly
• undgælde
• undgå
• undlade
• undse
• undsige
• undslå
• undskylde
• undsætte
• undtage
• undvære

• um-

From Old Swedish unt-, from Middle Low German ent-, unt-, um-, from Old Saxon and-. Compare German ent-.

und-

1. (chiefly in words derived from Middle Low German) away, off

• und- in Svenska Akademiens ordbok (SAOB)
• und- in Elof Hellquist, Svensk etymologisk ordbok (1st ed., 1922)