Proto-West Germanic *laku

→ English lake (inherited)

→ Old English lacu (inherited)

→ German Lache (inherited)

→ German Lake (derived)

→ Italian lacca (derived)

→ German Low German Lake (inherited)

→ Dutch lak (inherited)

→ Dutch Laken (derived)

→ Dutch laak (inherited)

→ Old Dutch medemolaca (mention)

→ Polish łacha (derived)

→ Swedish lake (derived)