ج م دj-m-d
(ن) جَمَدَ يَجْمُدُ جُمُوْدًاjamada yajmudu jumūdan: to congeal, to freeze, to stand still — the opposite of سَيَلانsayalān.
جَامِدjāmid (active participle, ism fāʿil): still and motionless. Only once in the Quran: ﴿وَتَرَي الْجِبَالَ تَحْسَبُهَا جَامِدَةً وَّهِيَ تَمُرُّ مَرَّ السَّحَابِ﴾ (An-Naml 27:88)
Form VII (infiʿāl) اِنْجَمَدَ يَنْجَمِدُ اِنْجِمَادًاinjamada yanjamidu injimādan: to freeze; to stiffen and become hard (this verb is not used in the Quran).