blåtann

== Norwegian Nynorsk == === Alternative forms === blåtonn, (alternative case) Blåtann, Blåtonn (byname) === Pronunciation === IPA(key): /²blɔːtanː/, /²bɽɔːtanː/ === Etymology 1 === From Old Norse blátǫnn, the nickname of Harald Gormsson. As a network protocol a calque of English Bluetooth, itself a calque of blátǫnn. Cognate with Icelandic blátönn. ==== Noun ==== blåtann f (definite singular blåtanna, uncountable) Bluetooth (the byname of Harald Gormsson, a king of Denmark and Norway) Synonym: Blåtann Harald blåtann ― Harald Bluetooth (networking) Bluetooth, an industrial specification for wireless personal area networks. === Etymology 2 === From blå (“blue”) +‎ tann (“tooth”). ==== Noun ==== blåtann f (definite singular blåtanna, indefinite plural blåtenner, definite plural blåtennene) (chiefly in the plural) a dark coloured canine tooth of a pig Synonyms: svarttann, svortetann