قَلْب
qalb
heart
قـلـب
Most Arabic words are built from a small set of root letters — knowing the root helps you recognize related words across the dictionary.
أَلَا بِذِكْرِ اللَّهِ تَطْمَئِنُّ الْقُلُوبُ
Verily, in the remembrance of Allah do hearts find rest (Quran 13:28)