Sentence:  First, the absolutist concept of ownership, which was advocated by <WSD>pandectist</WSD> philosophers, but which has been challenged as being an ahistorical assertion of the nature of ownership under Roman-Dutch law," and second, the feudal notions of property relations which underpin English land law. 
Meaning of the word marked with <WSD> tags:  Pertaining to the "Pandects" compiled under the Roman emperor Justinian I.