a. and sb. Obs. [ad. L. assidēntem, pr. pple. of assidē-re to sit by: see ASSESS v. and -ENT.] A. adj. Constantly attendant; usually accompanying though not inseparable from (a disease). B. sb. [sc. symptom.]
1753. Chambers, Cycl. Supp., s.v., A dry rough tongue, thirst, and watching, are Assident signs in an ardent fever. Ibid. Assidents differ from Pathognomonics, which are inseparable from the disease. [So in Rees, Cycl., 1819.]
