peräportti (Finnish) comes from Finnish portti, from Swedish port, from Old Norse port, from Latin porta, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.
peräportti (Finnish): stern door, stern gate
Definitions
stern door, stern gate
Ancestry of “peräportti”, step by step
peräportti traces back through two separate lines of ancestry.