ज्ञानस्य साधनं इन्द्रियं ज्ञानेन्द्रियम्। श्रोत्रं त्वक् चक्षू रसना घ्राणमिति पञ्चज्ञानेन्द्रियाणि।
what are the 5 jñānendriyas
A jñāndendriya is a means of knowledge, and is a sense-organ. The 5 jñānendriyas are the senses of hearing, touch, sight, taste and smell.