aslamā
both of them had submitted
V – 3rd person masculine dual (form IV) perfect verb + PRON – subject pronoun ā
Root Link: س ل م
watallahu
and he put him down
CONJ – prefixed conjunction wa (and) + V – 3rd person masculine singular perfect verb + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ت ل ل
lil'jabīni
upon his forehead
P – prefixed preposition lām + DET – determiner prefix al + N – genitive masculine noun
Root Link: ج ب ن