योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-78, verse-12

संशाम्यतीति निश्चित्य तावास्तां तत्परायणौ ।
तच्चित्तौ तद्गतप्राणौ तन्निष्ठौ तद्विदाश्रयौ ॥ १२ ॥

saṃśāmyatīti niścitya tāvāstāṃ tatparāyaṇau ,
taccittau tadgataprāṇau tanniṣṭhau tadvidāśrayau 12

12. saṃśāmyati iti niścitya tau āstām tatparāyaṇau
tatcittau tatgataprāṇau tanniṣṭhau tatvidāśrayau

12. (saṃsṛtyākhyā viṣūcikā) ātmajñānaikamātreṇa saṃśāmyati iti niścitya,
tau tatparāyaṇau tatcittau tatgataprāṇau tanniṣṭhau tatvidāśrayau āstām.

12. Having thus ascertained that it (the epidemic-like disease of transmigratory existence) is completely pacified, those two (individuals) became exclusively devoted to that (knowledge), with their minds fixed on it, their vital energies (prāṇa) absorbed in it, firmly established in it, and taking refuge in those who possessed that knowledge.

Words meanings summery:

• संशाम्यति (saṁśāmyati) - ceases completely, is pacified, becomes quiet, comes to an end

• इति (iti) - introduces the conclusion drawn (thus, so, in this manner)

• निश्चित्य (niścitya) - having ascertained, having determined, having decided

• तौ (tau) - the two individuals mentioned in the preceding narrative (e.g., guru and śiṣya, or two seekers) (those two)

• आस्ताम् (āstām) - they two were, they two existed

• तत्परायणौ (tatparāyaṇau) - devoted exclusively to that (knowledge/truth) (devoted to that, having that as their supreme goal/refuge)

• तत्चित्तौ (tatcittau) - with their minds fixed on that, having that as their mind/thought

• तत्गतप्राणौ (tatgataprāṇau) - with their vital energies (prāṇa) absorbed in that, having their life-breaths gone to that

• तन्निष्ठौ (tanniṣṭhau) - steadfast in that, devoted to that, having their foundation in that

• तत्विदाश्रयौ (tatvidāśrayau) - taking refuge in those who know that, dependent on the knowers of that

Words meanings and morphology

संशाम्यति (saṁśāmyati) - ceases completely, is pacified, becomes quiet, comes to an end

(verb)

3rd person , singular, active, present (laṭ) of saṃśam

Verb root 'śam' (to be calm) with prefix 'sam' (completely, together).

Prefix: sam

Root: śam (class 4)

इति (iti) - introduces the conclusion drawn (thus, so, in this manner)

(indeclinable)

निश्चित्य (niścitya) - having ascertained, having determined, having decided

(indeclinable)

Absolutive (Gerund)

Derived from the verb root 'ci' (to gather, perceive) with prefix 'nis' (out, fully).

Prefix: nis

Root: ci

तौ (tau) - the two individuals mentioned in the preceding narrative (e.g., guru and śiṣya, or two seekers) (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, this, it

आस्ताम् (āstām) - they two were, they two existed

(verb)

3rd person , dual, active, imperfect (laṅ) of as

Root: as (class 2)

तत्परायणौ (tatparāyaṇau) - devoted exclusively to that (knowledge/truth) (devoted to that, having that as their supreme goal/refuge)

(adjective)

Nominative, masculine, dual of tatparāyaṇa

tatparāyaṇa - devoted to that, having that as the highest object

Compound type : bahuvrīhi (tad+parāyaṇa)

• tad – that, it
  pronoun
• parāyaṇa – supreme goal, ultimate refuge, devotion to, exclusively devoted to
  noun (neuter)

तत्चित्तौ (tatcittau) - with their minds fixed on that, having that as their mind/thought

(adjective)

Nominative, masculine, dual of taccitta

taccitta - having the mind fixed on that, whose mind is that

Compound type : bahuvrīhi (tad+citta)

• tad – that, it
  pronoun
• citta – mind, thought, consciousness
  noun (neuter)

तत्गतप्राणौ (tatgataprāṇau) - with their vital energies (prāṇa) absorbed in that, having their life-breaths gone to that

(adjective)

Nominative, masculine, dual of tadgataprāṇa

tadgataprāṇa - whose vital breath has gone to that, absorbed in that

Compound type : bahuvrīhi (tad+gata+prāṇa)

• tad – that, it
  pronoun
• gata – gone, reached, attained
  adjective
  Past Passive Participle
  Derived from the verb root 'gam' (to go).
  Root: gam
• prāṇa – vital breath, life force, vital energy (prāṇa)
  noun (masculine)

तन्निष्ठौ (tanniṣṭhau) - steadfast in that, devoted to that, having their foundation in that

(adjective)

Nominative, masculine, dual of tanniṣṭha

tanniṣṭha - standing in that, devoted to that, having that as basis

Compound type : bahuvrīhi (tad+niṣṭha)

• tad – that, it
  pronoun
• niṣṭha – standing in, devoted to, fixed on, steadfast
  adjective

तत्विदाश्रयौ (tatvidāśrayau) - taking refuge in those who know that, dependent on the knowers of that

(adjective)

Nominative, masculine, dual of tadvidāśraya

tadvidāśraya - taking refuge in those who know that

Compound type : tatpuruṣa (tad+vid+āśraya)

• tad – that, it
  pronoun
• vid – knowing, knower
  adjective (masculine)
  Derived from the root 'vid' (to know).
  Root: vid
• āśraya – refuge, support, dependence, resort
  noun (masculine)