symptom
noun
[ ˈsɪm(p)təm ]
• a physical or mental feature which is regarded as indicating a condition of disease, particularly such a feature that is apparent to the patient.
• "dental problems may be a symptom of other illness"
Origin:
late Middle English synthoma, from medieval Latin, based on Greek sumptōma ‘chance, symptom’, from sumpiptein ‘happen’; later influenced by French symptome .