योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-17, verse-8

यां यामहमतीवास्थां संश्रयामि गुणश्रियाम् ।
तां तां कृन्तति मे तृष्णा तन्त्रीमिव कुमूषिका ॥ ८ ॥

yāṃ yāmahamatīvāsthāṃ saṃśrayāmi guṇaśriyām ,
tāṃ tāṃ kṛntati me tṛṣṇā tantrīmiva kumūṣikā 8

8. yām yām aham atīva āsthām saṃśrayāmi guṇaśriyām
tām tām kṛntati me tṛṣṇā tantrīm iva kumūṣikā

8. Whatever great attachment I develop towards the splendors of virtues, my craving (tṛṣṇā) severs each one, just as a vile mouse gnaws through a string.

Words meanings summery:

• याम् (yām) - which, whatever

• याम् (yām) - which, whatever (for emphasis)

• अहम् (aham) - I

• अतीव (atīva) - very, exceedingly

• आस्थाम् (āsthām) - attachment, reliance, trust

• संश्रयामि (saṁśrayāmi) - I resort to, I rely upon, I develop

• गुणश्रियाम् (guṇaśriyām) - of the splendors of virtues/qualities

• ताम् (tām) - that

• ताम् (tām) - that (for emphasis)

• कृन्तति (kṛntati) - cuts, severs, gnaws

• मे (me) - my

• तृष्णा (tṛṣṇā) - craving (tṛṣṇā), thirst, desire

• तन्त्रीम् (tantrīm) - string (of an instrument)

• इव (iva) - like, as, as if

• कुमूषिका (kumūṣikā) - a vile mouse, bad mouse

Words meanings and morphology

याम् (yām) - which, whatever

(pronoun)

Accusative, feminine, singular of yad

yad - which, what

याम् (yām) - which, whatever (for emphasis)

(pronoun)

Accusative, feminine, singular of yad

yad - which, what

अहम् (aham) - I

(pronoun)

Nominative, singular of mad

mad - I, me

अतीव (atīva) - very, exceedingly

(indeclinable)

Prefix: ati

Root: i (class 2)

आस्थाम् (āsthām) - attachment, reliance, trust

(noun)

Accusative, feminine, singular of āsthā

āsthā - trust, reliance, attachment, faith

Prefix: ā

Root: sthā (class 1)

संश्रयामि (saṁśrayāmi) - I resort to, I rely upon, I develop

(verb)

1st person , singular, active, present indicative (laṭ) of saṃśri

Prefix: sam

Root: śri (class 1)

गुणश्रियाम् (guṇaśriyām) - of the splendors of virtues/qualities

(noun)

Genitive, feminine, plural of guṇaśrī

guṇaśrī - splendor/excellence of qualities/virtues

Compound type : tatpurusha (guṇa+śrī)

• guṇa – quality, virtue, strand
  noun (masculine)
• śrī – splendor, beauty, prosperity, wealth
  noun (feminine)

ताम् (tām) - that

(pronoun)

Accusative, feminine, singular of tad

tad - that, it

ताम् (tām) - that (for emphasis)

(pronoun)

Accusative, feminine, singular of tad

tad - that, it

कृन्तति (kṛntati) - cuts, severs, gnaws

(verb)

3rd person , singular, active, present indicative (laṭ) of kṛnt

Root: kṛt (class 6)

मे (me) - my

(pronoun)

Genitive, singular of mad

mad - I, me

तृष्णा (tṛṣṇā) - craving (tṛṣṇā), thirst, desire

(noun)

Nominative, feminine, singular of tṛṣṇā

tṛṣṇā - craving, thirst, desire

तन्त्रीम् (tantrīm) - string (of an instrument)

(noun)

Accusative, feminine, singular of tantrī

tantrī - string, chord, thread

इव (iva) - like, as, as if

(indeclinable)

कुमूषिका (kumūṣikā) - a vile mouse, bad mouse

(noun)

Nominative, feminine, singular of kumūṣikā

kumūṣikā - bad mouse, vile mouse

Compound type : tatpurusha (ku+mūṣikā)

• ku – bad, vile, difficult, ignoble
  indeclinable
• mūṣikā – female mouse, mouse
  noun (feminine)