دَكًّا

A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – دَكًّا is a noun

A noun may either be 1) Definite or indefinite 2) Masculine or feminine 3) Singular, dual or plural 4) Nominative, accusative or genitive

دَكٌّ is the natural state of this indefinite noun and it becomes دَكًّا due to it being the: 1) المَفْعُوْلُ بِهِ object of a verb or 2) اسْمُ of إِنَّ or 3) خَبَرُ of كَانَ or 4) المَفْعُوْلُ فِيْهِ adverb of time or place or 5) المَفْعُوْلُ لَهُ noun that gives the reason for doing a thing or 6) المَفْعُوْلُ مَعَهُ noun that comes after the و which means “along with” or 7) المَفْعُوْلُ المُطْلَقُ is the مَصْدَرٌ of the verb occurring in the sentence or 8) الحَالُ adverb of manner or 9) التَّمْيِيْزُ noun that specifies the meaning of a vague word or 10) المُسْتَثْنَى noun that comes after إِلَّا meaning “except” or 11) المُنَادَى noun of calling or 12) it’s a noun of dependent declension a) نَعْتٌ / صِفَطٌ adjectives b) التَّوْكِيْدُ emphatic c) المَعْطُوْفٌ conjunction d) البَدَلُ synonym

Crumble; Dust; Powder

To crush, break, beat deflate, ground, crumble to pieces, be completely crushed and broken to pieces

نَكِرَةٌمُفْرَدٌمُذَكَّرٌمَنْصُوْبٌد ك كبَابٌ نَصَرَ دَكَّ يَدُكُّفَعْلٌاسْمٌالْمَصْدَرُ
IndefiniteSingularMasculineAccusativeRootCrushing نPatternNounVerbal noun
Surah/Below are the 2 verses in the holy Quran containing the 3 occurrences of the nounدّكًّا
Verse
and when Moosa (AS) came to Our appointment and his Lord spoke to himوَلَمَّا جَآءَ مُوْسَى لِمِيْقَاتِنَا وَكَلَّمَهُ رَبُّهُ
he said, “O my Lord! show me so I may look at You”قَالَ رَبِّ أَرِنِي أَنْظُرْ إِلَيْكَ
He said, “not you will (able) see Me but look at the mountainقَال لَنْ تَرَانِي وَلَاكِنِ انْظُرْ إِلَى الجَبَلِ
if it remains in its place then you shall see Me”فَإِنِ اسْتَقَرَّ مَكَانَهُ فَسَوْفَ تَرَانِي
so, when his Lord revealed His Glory to the mountains, He made it levelledفَلَمَّا تَجَلَّى رَبُّهُ لِلْجَبَلِ جَعَلَهُ دَكًّا
and Moosa (AS) fell down unconscious and when he recovered, he saidوَخَرَّ مُوْسَى صَعِقًا فَلَمَّآ أَفَاقَ قَالَ
7-143“Glory be to You! I turn to you (repenting) and I am the first of the believers”سُبْحَانَكَ تُبْتُ إِلَيْكَ وَأَنَاْ أَوَّلُ المُؤْمِنِيْنَ
89-21Nay! when the earth is crushed a crushing, a crushingكَلَّا إِذَا دُكَّتِ الأَرْضُ دَكًّا دَكًّا