The Quran root ك ف ل k-f-l

مَّن يَشْفَعْ شَفَاعَةً حَسَنَةً يَكُن لَّهُ نَصِيبٌ مِّنْهَا وَمَن يَشْفَعْ شَفَاعَةً سَيِّئَةً يَكُن لَّهُ كِفْلٌ مِّنْهَا وَكَانَ اللَّهُ عَلَىٰ كُلِّ شَيْءٍ مُّقِيتًا ٨٥

كِفْلٌ kif'lun · a portion

Whoever intercedes for a good cause will have a share [i.e., reward] therefrom; and whoever intercedes for an evil cause will have a portion [i.e., burden] therefrom. And ever is Allāh, over all things, a Keeper. (Surah An-Nisa, 4:85)

وَإِسْمَاعِيلَ وَإِدْرِيسَ وَذَا الْكِفْلِ كُلٌّ مِّنَ الصَّابِرِينَ ٨٥

الْكِفْلِ l-kif'li · and Dhul-Kifl

And [mention] Ishmael and Idrees and Dhul-Kifl; all were of the patient. (Surah Al-Anbya, 21:85)

ذَٰلِكَ مِنْ أَنبَاءِ الْغَيْبِ نُوحِيهِ إِلَيْكَ وَمَا كُنتَ لَدَيْهِمْ إِذْ يُلْقُونَ أَقْلَامَهُمْ أَيُّهُمْ يَكْفُلُ مَرْيَمَ وَمَا كُنتَ لَدَيْهِمْ إِذْ يَخْتَصِمُونَ ٤٤

يَكْفُلُ yakfulu · takes charge (of)

That is from the news of the unseen which We reveal to you, [O Muḥammad]. And you were not with them when they cast their pens as to which of them should be responsible for Mary. Nor were you with them when they disputed. (Surah Ali 'Imran, 3:44)

فَتَقَبَّلَهَا رَبُّهَا بِقَبُولٍ حَسَنٍ وَأَنبَتَهَا نَبَاتًا حَسَنًا وَكَفَّلَهَا زَكَرِيَّا كُلَّمَا دَخَلَ عَلَيْهَا زَكَرِيَّا الْمِحْرَابَ وَجَدَ عِندَهَا رِزْقًا قَالَ يَا مَرْيَمُ أَنَّىٰ لَكِ هَٰذَا قَالَتْ هُوَ مِنْ عِندِ اللَّهِ إِنَّ اللَّهَ يَرْزُقُ مَن يَشَاءُ بِغَيْرِ حِسَابٍ ٣٧

وَكَفَّلَهَا wakaffalahā · and put her in (the) care

So her Lord accepted her with good acceptance and caused her to grow in a good manner and put her in the care of Zechariah. Every time Zechariah entered upon her in the prayer chamber, he found with her provision. He said, "O Mary, from where is this [coming] to you?" She said, "It is from Allāh. Indeed, Allāh provides for whom He wills without account." (Surah Ali 'Imran, 3:37)

وَأَوْفُوا بِعَهْدِ اللَّهِ إِذَا عَاهَدتُّمْ وَلَا تَنقُضُوا الْأَيْمَانَ بَعْدَ تَوْكِيدِهَا وَقَدْ جَعَلْتُمُ اللَّهَ عَلَيْكُمْ كَفِيلًا إِنَّ اللَّهَ يَعْلَمُ مَا تَفْعَلُونَ ٩١

كَفِيلًا kafīlan · a surety

And fulfill the covenant of Allāh when you have taken it, [O believers], and do not break oaths after their confirmation while you have made Allāh, over you, a security [i.e., witness]. Indeed, Allāh knows what you do. (Surah An-Nahl, 16:91)

إِنَّ هَٰذَا أَخِي لَهُ تِسْعٌ وَتِسْعُونَ نَعْجَةً وَلِيَ نَعْجَةٌ وَاحِدَةٌ فَقَالَ أَكْفِلْنِيهَا وَعَزَّنِي فِي الْخِطَابِ ٢٣

أَكْفِلْنِيهَا akfil'nīhā · Entrust her to me

Indeed this, my brother, has ninety-nine ewes, and I have one ewe; so he said, 'Entrust her to me,' and he overpowered me in speech." (Surah Sad, 38:23)