صوم

صَوَّامٌ ذ is like صَائِمٌ but having an intensive signification [i. e. meaning Abstaining, &c., much or often ]. (Msb.) One says رَجُلٌ صَوَّامٌ قَوَّامٌ, meaning A man who fasts (يَصُومُ) [ often ] in the day, and who rises [ often ] in the night [ to pray ]. (TA.)