Entries on لكي in 3 Arabic dictionaries by the authors Habib Anthony Salmone, An Advanced Learner's Arabic-English Dictionary, Ibn Sīda al-Mursī, Al-Muḥkam wa-l-Muḥīṭ al-Aʿẓam and Ibn Manẓūr, Lisān al-ʿArab
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لكي
لَكِيَ(n. ac. لَكًى [ ])
a. [Bi], Was devoted to.
لَكِيّa. Devoted to.
لِكَيْ لِكَيْمَا
a. That, in order that.
لِكَيْلَا
a. So that not, lest.