wa-innahu
And indeed it
REM – prefixed resumption particle wa + ACC – accusative particle inna + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ا ن ن
latadhkiratun
(is) surely a reminder
EMPH – emphatic prefix lām + N – nominative feminine indefinite (form II) verbal noun
Root Link: ذ ك ر
lil'muttaqīna
for the Allah-fearing
P – prefixed preposition lām + DET – determiner prefix al + N – genitive masculine plural (form VIII) active participle
Root Link: و ق ى