ح ف رḥ-f-r
(ض) حَفَرَ يَحْفِرُ حَفْرًاḥafara yaḥfiru ḥafran: to dig, to make a pit.
حُفْرَةḥufrah pl. حُفَرḥufar: pit. ﴿عَلٰى شَفَا حُفْرَةٍ مِّنَ النَّارِ﴾ (Āl ʿImrān 3:103)
حَافِرَةḥāfirah: the state out of which a man has already come, i.e. the former state — the Arabs have the idiom «رَجَعَ فِيْ حَافِرَتِهِۦrajaʿa fī ḥāfiratihi», and some have taken it in the sense of a hoof. ﴿ءَاِنَّا لَمَرْدُوْدُوْنَ فِي الْحَافِرَةِ﴾ (An-Nāziʿāt 79:10)