Charak Samhita
एकैकाधिकयुक्तानि खादीनामिन्द्रियाणि तु। पञ्च कर्मानुमेयानि येभ्यो बुद्धिः प्रवर्तते ॥२४॥
The five sense faculties, made of the five mahabhutas (each sense faculty has one dominant mahabhuta), are inferred from their five respective actions which serve as agents for the manifestation of the intellect
english translation
ekaikAdhikayuktAni khAdInAmindriyANi tu। paJca karmAnumeyAni yebhyo buddhiH pravartate ॥24॥
hk transliteration by Sanscript