Icelandic

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Etymology

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From þumalputti (thumb) +‎ regla (rule).

Pronunciation

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  • IPA(key): /ˈθʏːmal.pʰʏhtaˌrɛkla/

Noun

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þumalputtaregla f (genitive singular þumalputtareglu, nominative plural þumalputtareglur)

  1. rule of thumb

Declension

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