ɪn nˈɔːɹs mɪθˈɑːlədʒi, ˈæmsvɑːɹtnˌɪɹ ˈoʊld nˈɔːɹs "pˈɪtʃ blˈæk"ɪz ɐ lˈeɪk kəntˈeɪnɪŋ ðɪ ˈaɪlənd lˈɪŋvi, wˌɛɹ ðə ɡˈɑːdz bˈaʊnd ðə wˈʊlf fˈɛnɹɪɹ.
In Norse mythology, Ámsvartnir (Old Norse "pitch black") is a lake containing the island Lyngvi, where the gods bound the wolf Fenrir.