ح ج بḥ-j-b
(ن) حَجَبَ يَحْجُبُ حَجْبًاḥajaba yaḥjubu ḥajban: to veil, to bar, to set up a barrier in between. This root occurs 8 times in the Quran.
حِجَابḥijāb pl. حُجُبḥujub: veil, barrier. ﴿فَسْـَٔلُوْهُنَّ مِنْ وَّرَآءِ حِجَابٍ﴾ (Al-Aḥzāb 33:53)
مَحْجُوْبmaḥjūb (passive participle, ism mafʿūl): one who is veiled off, debarred. ﴿اِنَّهُمْ عَنْ رَّبِّهِمْ يَوْمَئِذٍ لَّمَحْجُوْبُوْنَ﴾ (Al-Muṭaffifīn 83:15)
حَاجِبḥājib: doorkeeper; also eyebrow.