18.79

Upadeśasāhasrī / 18. Tattvamasi (तत्त्वमसि) / 18.79

त्वमित्यध्यक्षनिष्ठश् चेदहमध्यक्षयोः कथम्

tvam ity adhyakṣaniṣṭhaś ced ahamadhyakṣayoḥ katham

The line

If you say that you thus, adhyakṣaniṣṭhaś (अध्यक्षनिष्ठश्), then of a compound: ahama (अहम), dhya (ध्य), and destruction, how.

Where it sits

In Upadeśasāhasrī (उपदेशसाहस्री), prakaraṇa (प्रकरण) 18. Tattvamasi (तत्त्वमसि). That thou art. The words of this line are the ones to keep. A shorter line after this one may leave them unsaid.

Split: tvam (त्वम्) + ity (इत्य्) + adhyakṣaniṣṭhaś (अध्यक्षनिष्ठश्) + ced (चेद्) + ahama-dhya-kṣayoḥ (अहम-ध्य-क्षयोः) + katham (कथम्)

Sanskrit, in depth

The words

WordGrammarSense
tvam (त्वम्)nominative singularyou
ity (इत्य्)indeclinablethus. iti before a vowel
adhyakṣaniṣṭhaś (अध्यक्षनिष्ठश्)the form as the line writes itthis word, as the line writes it
ced (चेद्)indeclinableif you say. cet before a voiced sound
ahama-dhya-kṣayoḥ (अहम-ध्य-क्षयोः)genitive or ablative singulara compound: ahama (अहम), dhya (ध्य), and destruction. Read it from the end
katham (कथम्)indeclinablehow

The phrases

tvam (त्वम्) is you. It stands as nominative singular. ity (इत्य्) is thus. iti before a vowel. It stands as indeclinable. adhyakṣaniṣṭhaś (अध्यक्षनिष्ठश्) is this word, as the line writes it. It stands as the form as the line writes it.

ced (चेद्) is if you say. cet before a voiced sound. It stands as indeclinable. ahama-dhya-kṣayoḥ (अहम-ध्य-क्षयोः) is a compound: ahama (अहम), dhya (ध्य), and destruction. Read it from the end. It stands as genitive or ablative singular. katham (कथम्) is how. It stands as indeclinable.

Sanskrit in this line

ahama-dhya-kṣayoḥ (अहम-ध्य-क्षयोः) is one compound. The hyphen is a teaching mark. Only the last member wears the case.

Say it back

Cover the English. Gloss tvam (त्वम्) and adhyakṣaniṣṭhaś (अध्यक्षनिष्ठश्).

Next

18.80. A compound: the seer, seeing, atva (अत्व), saṃba (संब), and ndha (न्ध), if. yadi before a vowel, in adhyakṣa (अध्यक्ष), in akriya (अक्रिय), how.