Sentence:  Less well recognized, however, is the central role played in much of early medieval Pure Land Buddhism by deathbed practices and accompanying beliefs about the radical salvific power of one's last nenbutsu, whether understood as the contemplation of the Buddha <WSD>Amitābha</WSD> (or Amitāyus, Jpn. Amida) or the invocation of his name. 
Meaning of the word marked with <WSD> tags:  In (Pure Land Buddhism), a branch of Mahāyāna Buddhism, the name of the principal buddha regarded as of celestial origin.