From Old Danish istær, from Old Norse ístr, from Proto-Germanic *instraz (“intestine”).

• IPA^(key): [ˈisdʌ]

3=-

ister n (singular definite isteret, not used in plural form)

1. (uncountable, uncommon) lard, grease; a solid but soft fat from the intestines of certain animals

   Synonym: flomme

• “ister” in Den Danske Ordbog

From Old Swedish īster, from Old Norse ístr, from Proto-Germanic *instraz (“intestine”).

• IPA^(key): [ˈɪstɛɾ]

ister n

1. (uncountable) lard, grease; a solid but soft fat from the intestines of certain animals

   Synonyms: flott, fett, späck

• isterband
• isterbuk

• flott
• späck

• “ister”, in Svensk ordbok [Dictionary of Swedish] (in Swedish)
• “ister”, in Svenska Akademiens ordlista [Wordlist of the Swedish Academy] (in Swedish)
• “ister”, in Svenska Akademiens ordbok [Dictionary of the Swedish Academy] (in Swedish)

• riset

ister

1. third-person singular indicative aorist of istemek