yatakhāfatūna
They are murmuring
V – 3rd person masculine plural (form VI) imperfect verb + PRON – subject pronoun na
Root Link: خ ف ت
baynahum
among themselves
LOC – accusative location adverb + PRON – 3rd person masculine plural object pronoun Ha
Root Link: ب ى ن
labith'tum
you remained
V – 2nd person masculine plural perfect verb + PRON – subject pronoun tum
Root Link: ل ب ث