naðurtunga

== Icelandic == === Etymology === From naður (“adder”) +‎ tunga (“tongue”). === Pronunciation === IPA(key): /ˈnaːðʏrˌtʰuŋka/ === Noun === naðurtunga f (genitive singular naðurtungu, nominative plural naðurtungur) adder's tongue (fern of the genus Ophioglossum) specifically, the small adder's tongue (Ophioglossum azoricum) ==== Declension ====