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walaw
And (even) if
CONJ – prefixed conjunction wa (and) + COND – conditional particle
Root Link: ل و
fataḥnā
We opened
V – 1st person plural perfect verb + PRON – 1st person plural object pronoun nā
Root Link: ف ت ح
ʿalayhim
to them
P – preposition + PRON – 3rd person masculine plural object pronoun Ha
Root Link: ع ل ى
bāban
a gate
N – accusative masculine indefinite noun
Root Link: ب و ب
mina
from
P – preposition
Root Link: م ن
l-samāi
the heaven
DET – determiner prefix al + N – genitive feminine noun 
Root Link: س م و
faẓallū
and they were to continue
CONJ – prefixed conjunction fa (and) + V – 3rd person masculine plural perfect verb + PRON – subject pronoun waw
Root Link: ظ ل ل
fīhi
therein
P – preposition + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ف ى
yaʿrujūna
(to) ascend
V – 3rd person masculine plural imperfect verb + PRON – subject pronoun na
Root Link: ع ر ج

Acknowledgements:

Single-Word Audio has been made possible through software provided by Arabic NLP

James Ada's concordance work; his research can be found at www.organizedQuran.com
Note: James is now a member of the IslamAwakened Continuity Board