wa-alladhīna
And those who
CONJ – prefixed conjunction wa (and) + REL – masculine plural relative pronoun
Root Link: ا ل ل ذ
ṣalātihim
their prayer
N – genitive feminine noun + PRON – 3rd person masculine plural object pronoun Ha
Root Link: ص ل و
yuḥāfiẓūna
keep a guard
V – 3rd person masculine plural (form III) imperfect verb + PRON – subject pronoun na
Root Link: ح ف ظ