Icelandic edit

Etymology edit

From regn (rain) +‎ þykkni (concentrate).

Pronunciation edit

  • IPA(key): /ˈrɛknˌθɪhknɪ/

Noun edit

regnþykkni n (genitive singular regnþykknis, nominative plural regnþykkni)

  1. nimbostratus, rain cloud

Declension edit