The Compendium of Bheḷa 1.26.13

1.26.13

vātajaṃ pittajaṃ caiva śleṣmajaṃsannipātajam | āgantukaṃ pañcamaṃ ca mukharogaṃ pracakṣate ||

Arising from wind, arising from bile, arising from phlegm, and arising from a combination of all three, / and the fifth exogenous—thus they describe mouth disease.