←
Proto-Germanic *lekaną (inherited)←
Proto-Indo-European *leg- (root)→
English leak (borrowed)→
Old English lacu (cognate)→
Westrobothnian leka (inherited)→
Icelandic leka (inherited)→
Norwegian Bokmål lekke (derived)→
Norwegian Nynorsk leke (inherited)→
Old Norse lekr (mention)→
Swedish läcka (derived)