ROOT ف ك ك

[1] الفَكُّ , accord. to Er-Rághib, primarily signifies التَّفْرِيجُ [i. e. The opening a thing; and particularly by diduction, or so as to form an intervening space, or a gap, or breach]. (TA.) You say, فَكَّ, first pers. فَكَكْتُ, (S, O, Msb, K,) aor. فَكُ3َ , inf. n. فَكٌّ, (O, Msb,) He separated (S, O, Msb, K) a thing (S, O, K) from another thing; and any two things knit together, or intricately intermixed: (S, O:) or فَكَكْتُهُ I separated one part of it from another part thereof: (Msb:) and ↓ تَفْكِيكٌ likewise signifies the separating two things knit together, or intricately intermixed. (Lth, S, TA.) And He broke [or broke open] a seal, i. e. a sealed piece of clay or wax; (Mgh, Msb, * TA;) in relation to which ↓ يَفْتَكُّهُ occurs as meaning يَفُكُّهُ, though we have not heard it [as a classical expression in this sense]. (Mgh.) ― 2-b2- And فَكَّ العَظْمَ, (Mgh, Msb,) aor. and inf. n. as above, (Msb,) He dislocated the bone; put it out of joint. (Mgh, Msb.) [This, or the like, is what is meant by its being said that] الفَكُّ in the hand, or arm, is [i. e. denotes] less than الكَسْرُ. (K.) ― 2-b3- And فَكَّ يَدَهُ, (K, TA,) aor. and inf. n. as above, (TA,) He opened, or unclosed, his hand from what was in it: (K, TA:) so in the M. (TA.) ― 2-b4- And فَكَّ الرَّهْنَ, (S, Mgh, O, Msb, K,) aor. فَكُ3َ , (TA,) inf. n. فَكٌّ and فُكُوكٌ; (K;) and ↓ افتكّهُ; (S, Mgh, O, K;) (tropical:) He redeemed the pledge; (S, Mgh, O, Msb, K, TA;) got it out from the hand of him to whom it was pledged. (Mgh.) ― 2-b5- And فَكَكْتُ signifies also I loosed, set loose or free, or let go, anything. (Msb.) ― 2-b6- [Hence,] فَكَّ الأَسِيرُ, (Msb, K,) aor. فَكُ3َ , (TA,) inf. n. فَكٌّ and فَكَاكٌ and فِكَاكٌ, (K,) (tropical:) He liberated, or set free, the captive. (Msb, K, TA.) And فَكَّ الرَّقَبَةَ, (S, O, Msb, K,) aor. فَكُ3َ , inf. n. فَكٌّ, (TA,) [lit. He loosed the neck,] means (tropical:) he emancipated [the slave]. (S, O, Msb, K, TA.) فَكُّ الرَّقَبَةِ is expl. in a trad. as meaning (assumed tropical:) The assisting in paying the price [of the slave when one is unable to pay the whole of the price]. (O, TA.) In the Kur [xc. 13], فَكُّ رَقَبَةٍ is said by some to mean (assumed tropical:) The emancipating of a slave: and by some. (assumed tropical:) the man's emancipating himself from subjection to God's punishment by the confession of the unity of God and by righteous doing and then by teaching the same to others. (TA,) فُكَّ فُلَانٌ means (assumed tropical:) Such a one was set free, and at rest, from a thing. (IAar, Th, TA.) ― 2-b7- [Hence also,] one says, هُوَ يَفُكُّ المَشَاكِلَ (assumed tropical:) [He solves] the things, or affairs, that are dubious, or confused. (TA in art. شكل.) ― 2-b8- قَدْفَكَّ وَفَرَّجَ is said of a very old man, meaning فَرَّجَ لَحْيَيْهِ [i. e. He has parted his jaws, by hanging the lower jaw in consequence of weakness]; as is the case in extreme old age. (S, O,) And [hence.] فَكَّ, (AZ, S, O, K,) aor. فَكُ3َ , inf. n. فَكٌّ and فُكُوكٌ, (AZ, S, O,) said of a man, means (assumed tropical:) He was, or became, extremely aged, or old and weak. (AZ, S, O, K.) [Or فَكَّ thus used may be from الفَكُّ signifying “ the jaw: ” and so what next follows.] ― 2-b9- فَكَكْتُ الصَّبِىَّ I put medicine into the mouth of the boy or young male child [opening his jaws for that purpose]. (S, O.) ＝ 1-A2- قَدْ فَكِكْتَ, [third pers. فَكَّ,] aor. تَفَكُّ, inf. n. فَكَكٌ, Thou hast become such as is termed أَفَكُّ i. e. one whose مَنْكِب [here meaning shoulder-bone] has become unknit, or loosened, (اِنْفَرَجَ,) from its joint, in consequence of weakness and flaccidity. (S.) [See also فَكَكٌ below.] ― 2-b2- And قَدْفَكِكْتَ, aor. تَفَكُّ; (S, O, K;) and فَكُكْتَ, (O, K,) a verb of a very rare form, [respecting which see دَمَّ, last sentence,] (MF, TA,) aor. تَفُكُّ; (O, K;) inf. n. فَكَّةٌ (S, O, K) and فَكٌّ also; (TA;) (tropical:) Thou hast become foolish, or stupid, and soft, flaccid, or languid. (S, O, K, TA.)