Dictionary Definition :
Definition[1]
:
A transliteration of the Sanskrit Amitābha (the Buddha of Limitless Light 無量光佛) or Amitāyus (the Buddha of Limitless Life 無量壽佛).
Definition[2]
:
各如來名號
【梵】amitābhaḥ
【梵】अमिताभः【中】阿彌陀
【藏】'od dpag med
Source
:
Mahāvyutpatti - DDBC version