Icelandic

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Etymology

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From rót (root) +‎ eind (particle).

Pronunciation

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Noun

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róteind f (genitive singular róteindar, nominative plural róteindir)

  1. proton

Declension

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    Declension of róteind
f-s2 singular plural
indefinite definite indefinite definite
nominative róteind róteindin róteindir róteindirnar
accusative róteind róteindina róteindir róteindirnar
dative róteind róteindinni róteindum róteindunum
genitive róteindar róteindarinnar róteinda róteindanna