biraḥmatihi
for His Mercy
P – prefixed preposition bi + N – genitive feminine noun + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ر ح م
wal-lahu
And Allah
REM – prefixed resumption particle wa + PN – nominative proper noun
Root Link: ا ل ه
l-ʿaẓīmi
[the] great
DET – determiner prefix al + ADJ – genitive masculine singular adjective
Root Link: ع ظ م