←
Old English lacu (cognate)
←
Middle High German lache (inherited)
←
Middle High German lache (inherited)
←
Middle High German lachen (mention)
←
Middle Low German lāke (cognate)
←
Proto-West Germanic *laku (inherited)
←
Old High German lacha (inherited)
←
Old High German lahha (mention)
←
Old High German hlahhan (inherited)
→
Polish łacha (borrowed)
→
Vilamovian łaoch (cognate)