Charak Samhita
संस्थानमाकृतिर्ज्ञेया सुषमा विषमा च सा। मध्यमल्पं महच्चोक्तं प्रमाणं त्रिविधं नृणाम् ॥८॥
The term sansthana means shape which may be symmetrical or asymmetrical. Measurement is of three kinds namely short, medium, and large The image reflected in water, mirror, etc.,
english translation
saMsthAnamAkRtirjJeyA suSamA viSamA ca sA। madhyamalpaM mahaccoktaM pramANaM trividhaM nRNAm ॥8॥
hk transliteration by Sanscript