What it means
The root in words about night. nocturianok-TOOR-ee-uhWaking up at night to urinate, more than once or more than is usual for the person.noct/i nightur/o urine-ia conditionFull entry is waking at night to pass urine, and nocturnal means happening at night, as in nocturnal enuresis (bed-wetting). The Greek root nyct/o means the same: nyctalopia is night blindness.