Sentence:  Rather, he argues that 'within the zero-stage, all special affections have <WSD>passed</WSD> over into a general undifferentiated affection; all special consciousnesses have <WSD>passed</WSD> over into the one, general, persistently available background-consciousness of our past, the consciousness of the completely unarticulated, completely indistinct horizon of the past, which brings to a close the living, moving retentional past.' 
Meaning of the word marked with <WSD> tags:  To change from one state to another (without the implication of progression).