From Old Norse leyfi, from Proto-Germanic *laubiją.

• IPA^(key): /ˈleiːvɪ/

  Rhymes: -eiːvɪ

leyfi n (genitive singular leyfis, nominative plural leyfi)

1. leave, permission, consent, authorisation

   Umsókn um leyfi til að setja sérlyf á markað.

   An application for authorisation to place a proprietary medicinal product on the market.

2. licence, permit
3. vacation

   Synonym: frí

• leyfa

From Proto-Germanic *laubiją. Related to leyfa, from Proto-Germanic *laubijaną. Ultimately from Proto-Indo-European *lewbʰ- (“to hold dear, love”).

leyfi n (genitive leyfis)

1. permission, leave

• Zoëga, Geir T. (1910), “leyfi”, in A Concise Dictionary of Old Icelandic, Oxford: Clarendon Press; also available at the Internet Archive