fa-is'tajabnā
So We responded
REM – prefixed resumption particle fa + V – 1st person plural (form X) perfect verb + PRON – 1st person plural object pronoun nā
Root Link: ج و ب
lahu
to him
P – prefixed preposition lām + PRON – 3rd person masculine singular personal pronoun hu
Root Link: ل
wanajjaynāhu
and We saved him
CONJ – prefixed conjunction wa (and) + V – 1st person plural (form II) perfect verb + PRON – 1st person plural object pronoun nā + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ن ج و
wakadhālika
And thus
CONJ – prefixed conjunction wa (and) + P – prefixed preposition ka + DEM – masculine singular demonstrative pronoun
Root Link: ذ ل ك
l-mu'minīna
the believers
DET – determiner prefix al + N – accusative masculine plural (form IV) active participle
Root Link: ا م ن