Mahabharata 12.186.15

गुरुभ्य आसनं देयं कर्तव्यं चाभिवादनम्गुरूनभ्यर्च्य युज्यन्ते आयुषा यशसा श्रिया

gurubhya āsanaṃ deyaṃ kartavyaṃ cābhivādanamgurūnabhyarcya yujyante āyuṣā yaśasā śriyā

Our plain-language meaning of this verse is waiting for scholar review.