Core sense — a keygenerated
1he opened the door with the key—فَتَحَ البَابَ بِالأَقْلِيدِ
Or أَقْلِيدٌ, with fet-h to the ء: a key.
Said to be of the dialect of El-Yemen, and to be arabicized, originally كليد [that is, كَلِيدْ or كِلِيدْ, which is Persian], or originally اقليدس, which is Greek, [that is, κλειδὸσ, genitive of κλεὶσ].
Also مِقْلَدٌ and مِقْلَادٌ and مِقْلِيدٌ (A Heyth) and إِقْلَادٌ.
Plural أَقَالِيدُ and مَقَالِيدُ, the latter a plural like مَلَامِحُ and مَحَاسِنُ and مَشَابِهُ and مَذَاكِيرُ, or [rather] a regular plural of مِقْلَادٌ or مِقْلِيدٌ or مِقْلَدٌ (Esh-Shiháb, in the 'Ináyeh), or it has no proper singular; [and the plural of مِقْلَدٌ is مَقَالِدُ, of which an example comes below].
One says also بالإِقْلِيدِ.
1.1figurative · مجاز — inferred[Qur'ān 39:63 and 42:10] may mean: to Him belong the keys of the heavens and of the earth—لَهُ مَقَالِيدُ ٱلسَّمَوَاتِ وَٱلْأَرْضِ
Zj says the meaning is that God is the Creator, and the Opener of the door, of everything in the heavens and in the earth.
Some say it may mean: to Him belong the treasuries of the heavens and of the earth. Es-Suddee.
Qur’ān 39:62 approximate — somewhere between 39:45 and 39:75 Lane cites “Kur xxxix. 63”
Qur’ān 39:63 located by this root inside the range Lane’s citation allows
لَّهُۥ مَقَالِيدُ ٱلسَّمَـٰوَٰتِ وَٱلْأَرْضِ ۗ وَٱلَّذِينَ كَفَرُوا۟ بِـَٔايَـٰتِ ٱللَّهِ أُو۟لَـٰٓئِكَ هُمُ ٱلْخَـٰسِرُونَTo Him belong the keys of the heavens and the earth: and those who reject the Signs of Allah,- it is they who will be in loss.Abdullah Yusuf Ali, The Holy Qur’ān (1934)
1.2figurative · مجازliterally, I threw to him the keys of the affairs; meaning, I committed the disposal, or management, of the affairs to him—أَلْقَيْتُ إِلَيْهِ مَقَالِيدَ الأُمُورِ
1.3figurative · مجاز[His means, likened to keys, became straitened: or] his affairs became straitened, or difficult, for him—ضَاقَتْ مَقَالِيدُهُ
Also مَقَالِدُهُ and ضَاقَتْ عَلَيْهِ المَقَالِيدُ.
According to Esh-Shiháb, from مِقْلَدٌ, meaning a twisted rope; he says this taking مَقَالِيدُ as synonymous with قَلَائِدُ, but its use in that sense is not established.
Show Lane's original text
, (S, L, K,) or أَقْلِيدٌ , with fet-h to the ء , (A,) said to be of the dial. of El-Yemen, and said to be arabicized, (Msb, TA,) originally كليد [i. e., كَلِيدْ or كِلِيدْ , which is Persian,] (TA) or originally اقليدس , (Msb, MF,) which is Greek, [i. e., κλειδὸσ, gen. of κλεὶσ,] (MF,) A key; (S, A, L, Msb, K;) as also مِقْلَدٌ (L, K) and مِقْلَادٌ (K) and مِقْلِيدٌ (A Heyth, L) and إِقْلَادٌ : (L:) pl. أَقَالِيدُ (L, Msb, El-Basáïr) and مَقَالِيدُ , (Msb, El-Basáïr,) the latter a pl. similar to مَلَامِحُ and مَحَاسِنُ and مَشَابِهُ and مَذَاكِيرُ , (El-Basáïr,) or [rather] a [reg.] pl. of مِقْلَادٌ or مِقْلِيدٌ or مِقْلَدٌ , (Esh-Shiháb, in the 'Ináyeh,) or it has no [proper] sing.; (As;) [and pl. of مِقْلَدٌ , مَقَالِدُ of which see an ex. below]. [You say] فَتَحَ البَابَ بِالأَقْلِيدِ , [or بالإِقْلِيدِ ,] He opened the door with the key. (A.) لَهُ مَقَالِيدُ ٱلسَّمَوَاتِ وَٱلْأَرْضِ [Kur xxxix. 63, and xlii. 10,] may signify To Him belong the keys of the heavens and of the earth: (L, Msb:) Zj says, that the meaning is, God is the Creator, and the Opener of the door, of everything in the heavens and in the earth: (L:) some say that it may signify to Him belong the treasuries of the heavens and of the earth. (Es-Suddee, L, Msb.) أَلْقَيْتُ إِلَيْهِ مَقَالِيدَ الأُمُورِ [lit., I threw to him the keys of the affairs; meaning, I committed to him the disposal, or management, of the affairs]. (A.) ضَاقَتْ مَقَالِيدُهُ , and مَقَالِدُهُ , (K,) and ضَاقَتْ عَلَيْهِ المَقَالِيدُ , (A,) [His means, likened to keys, became straitened: or] his affairs became straitened, or difficult, to him: (A, K:) accord. to Esh-Shiháb, from مِقْلَدٌ , signifying a twisted rope: this he says considering مَقَالِيدُ as syn. with قَلَائِدُ ; but its use in this sense is not established. (TA.)