Icelandic

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Etymology

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From the verb opna (to open) + -st (a suffix which turns verbs into middle voice verbs). See also the appendix about the Icelandic middle voice verbs.

Verb

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opnast (weak verb, third-person singular past indicative opnaðist, supine opnast)

  1. (intransitive) to open, to be opened

Norwegian Nynorsk

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Adjective

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opnast

  1. indefinite superlative degree of open