Norwegian Bokmål

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Etymology

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From femdoble +‎ -ing.

Noun

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femdobling f or m (definite singular femdoblinga or femdoblingen, uncountable)

  1. quintupling (where something is five times greater)

References

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Norwegian Nynorsk

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Etymology

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From femdoble +‎ -ing.

Noun

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femdobling f (definite singular femdoblinga, uncountable)

  1. quintupling (where something is five times greater)