From barn (“child”) + tönn (“tooth”).
barnatönn f (genitive singular barnatannar, nominative plural barnatennur)
Declension of barnatönn | ||||
---|---|---|---|---|
f-s3 | singular | plural | ||
indefinite | definite | indefinite | definite | |
nominative | barnatönn | barnatönnin | barnatennur | barnatennurnar |
accusative | barnatönn | barnatönnina | barnatennur | barnatennurnar |
dative | barnatönn | barnatönninni | barnatönnum | barnatönnunum |
genitive | barnatannar | barnatannarinnar | barnatanna | barnatannanna |
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.