Where does “naðurtunga” come from?

naðurtunga (Icelandic) comes from Icelandic tunga, from Old Norse tunga, from Proto-Germanic tungǭ, from Proto-Indo-European dn̥ǵʰwéh₂s — tongue.

naðurtunga (Icelandic): adder's tongue fern of the genus

Definitions

  1. adder's tongue fern of the genus

Ancestry of “naðurtunga”, step by step

naðurtunga traces back through two separate lines of ancestry.

via Icelandic tunga

StepLanguageWordMeaning
1Icelandictungaa tongue; language; the tongue of a shoe
2Old Norsetungatongue
3Proto-Germanictungǭtongue; speech, language
4Proto-Indo-Europeandn̥ǵʰwéh₂stongue

via Icelandic naður

StepLanguageWordMeaning
1Icelandicnaðuradder, viper
2Old Norsenaðrsnake
3Proto-Germanicnadrǭadder; snake in general
4Proto-Indo-Europeannéh₁treh₂—
Every word from Proto-Indo-European dn̥ǵʰwéh₂s →Every word from Proto-Germanic tungǭ →Every word from Old Norse tunga →