गुकारश्चांधकारस्तु ।रुकारस्तन्निरोधकृत् ॥अंधकारविनाशित्वाद्गुरुरित्यभिधीयते ॥
In plain words
The sound gu is darkness, and the sound ru is what shuts that darkness off. Because he makes darkness perish he is called by the name guru.
गुकारश्चांधकारस्तु ।रुकारस्तन्निरोधकृत् ॥अंधकारविनाशित्वाद्गुरुरित्यभिधीयते ॥
The sound gu is darkness, and the sound ru is what shuts that darkness off. Because he makes darkness perish he is called by the name guru.