गुशब्दस्त्वन्धकारः स्यात्‌ रुशब्दस्तन्निरोधकः । अन्धकारनिरोधित्वात्‌ गुरुरित्यभिधीयते ॥ The above verse from the Upanishad illuminates the literal meaning of the Sanskrit word “Guru.” The word “Guru” has two syllables: “Gu” and “Ru.” The syllable “Gu” represents darkness, while “Ru” signifies the light that dispels that darkness. Here, darkness symbolizes ignorance, which prevents us from seeing things clearly, just…