opptre

From opp +‎ tre (“verb”); apparently from Low German. Compare with Danish optræde.

opptre (imperative opptre, present tense opptrer, passive opptres, simple past opptrådte, past participle opptrådt, present participle opptredende)

1. to act, behave
2. to appear, perform
3. to occur

• opptreden

• “opptre” in The Bokmål Dictionary.

From opp +‎ tre (“verb”); apparently from Low German.

opptre (present tense opptrer, past tense opptredde, past participle opptredd or opptrett, passive infinitive opptreast, present participle opptreande, imperative opptre)

1. to act, behave
2. to appear, perform
3. to occur

• “opptre” in The Nynorsk Dictionary.