Icelandic

edit

Etymology

edit

From barn (child) +‎ tönn (tooth).

Noun

edit

barnatönn f (genitive singular barnatannar, nominative plural barnatennur)

  1. milk tooth

Declension

edit

There also exist the variant plural forms barnatannir and barnatönnur, but these forms are neither original nor considered standard today, and have now become obsolete.