Where does “islandês” come from?
islandês (Portuguese) comes from Portuguese -ês, from Old Portuguese -és, from Latin -ensis, from Latin arvum, from Latin colō, from Latin quelō, from Proto-Italic kʷelō, from Proto-Indo-European kʷéleti — to turn.
islandês (Portuguese): Icelandic; Icelander
Ancestry of “islandês”, step by step