ل ب نl-b-n
— لَبَنlaban pl. أَلْبَانal-bān: milk.
لَبِنlabin: an unbaked brick. The lexicographers say that the link between the two is whiteness and solidifying. Twice in the Quran: ﴿مِنْۢ بَيْنِ فَرْثٍ وَّدَمٍ لَّبَنًا خَالِصًا سَائِغًا لِّلشَّارِبِيْنَ﴾ (An-Naḥl 16:66) and ﴿وَأَنْهَارٌ مِّنْ لَّبَنٍ لَّمْ يَتَغَيَّرْ طَعْمُهُۥ﴾ (Muḥammad 47:15).