Complex sentence: The shelf was enclosed by wood and located at the window in order to keep the water cool, later on this shelf evolved until it became part of the room with a full enclosure, it retained the name despite the radical change in use.
Split into simpler sentences: The shelf was enclosed by wood and located at the window in order to keep the water cool. Later on, this shelf evolved until it became part of the room with a full enclosure and retained the name despite the radical change in use.