योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-120, verse-4

इति निश्चित्य सचिवैः प्रययौ दक्षिणापथम् ।
पुनर्दिग्विजयायेव प्राप्य विन्ध्यमहीधरम् ॥ ४ ॥

iti niścitya sacivaiḥ prayayau dakṣiṇāpatham ,
punardigvijayāyeva prāpya vindhyamahīdharam 4

4. iti niścitya sacivaiḥ prayayau dakṣiṇāpatham
punaḥ digvijayāya iva prāpya vindhyamahīdharam

4. iti sacivaiḥ niścitya punaḥ digvijayāya iva
vindhyamahīdharam prāpya dakṣiṇāpatham prayayau

4. Thus, having decided with his ministers, he set off for the Southern region (dakṣiṇāpatha), reaching the Vindhya mountain (vindhyamahīdhara), as if for another conquest of the quarters.

Words meanings summery:

• इति (iti) - indicates conclusion of a thought or quote (thus, in this manner, so saying)

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

• सचिवैः (sacivaiḥ) - with his (the king's) ministers (by the ministers, with the ministers)

• प्रययौ (prayayau) - he went, he departed

• दक्षिणापथम् (dakṣiṇāpatham) - to the southern path, to the southern region

• पुनः (punaḥ) - again, anew, furthermore

• दिग्विजयाय (digvijayāya) - for the conquest of the quarters, for a digvijaya

• इव (iva) - like, as, as if

• प्राप्य (prāpya) - having reached, having obtained

• विन्ध्यमहीधरम् (vindhyamahīdharam) - the Vindhya mountain

Words meanings and morphology

इति (iti) - indicates conclusion of a thought or quote (thus, in this manner, so saying)

(indeclinable)

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

(indeclinable)

absolutive

formed from root "ci" (to collect) with upasarga "nis" and "ktvā" suffix (lenient form for compound preverbs)

Prefix: nis

Root: ci (class 5)

सचिवैः (sacivaiḥ) - with his (the king's) ministers (by the ministers, with the ministers)

(noun)

Instrumental, masculine, plural of saciva

saciva - minister, companion, associate

Note: Agent or accompaniment for "niścitya".

प्रययौ (prayayau) - he went, he departed

(verb)

3rd person , singular, active, perfect past (liṭ) of pra-yā

perfect tense, active voice (liṭ)

root "yā" (to go) with upasarga "pra", perfect 3rd singular

Prefix: pra

Root: yā (class 2)

दक्षिणापथम् (dakṣiṇāpatham) - to the southern path, to the southern region

(noun)

Accusative, masculine, singular of dakṣiṇāpatha

dakṣiṇāpatha - southern road, southern country/region

Compound type : tatpurusha (dakṣiṇā+patha)

• dakṣiṇā – southern, right (direction)
  adjective (feminine)
• patha – path, road, way
  noun (masculine)
  Root: path (class 1)

Note: Object of motion 'went to'.

पुनः (punaḥ) - again, anew, furthermore

(indeclinable)

दिग्विजयाय (digvijayāya) - for the conquest of the quarters, for a digvijaya

(noun)

Dative, masculine, singular of digvijaya

digvijaya - conquest of the quarters (a traditional tour of conquest by a king)

Compound type : tatpurusha (diś+vijaya)

• diś – direction, quarter, region
  noun (feminine)
• vijaya – victory, conquest, triumph
  noun (masculine)
  Prefix: vi
  Root: ji (class 1)

Note: Indicates purpose.

इव (iva) - like, as, as if

(indeclinable)

प्राप्य (prāpya) - having reached, having obtained

(indeclinable)

absolutive

formed from root "āp" (to obtain) with upasarga "pra" and suffix "lyap"

Prefix: pra

Root: āp (class 5)

विन्ध्यमहीधरम् (vindhyamahīdharam) - the Vindhya mountain

(proper noun)

Accusative, masculine, singular of vindhyamahīdhara

vindhyamahīdhara - the Vindhya mountain, a mountain range

Compound type : karmadhāraya (vindhya+mahīdhara)

• vindhya – the Vindhya mountains
  proper noun (masculine)
• mahīdhara – mountain, earth-bearer
  noun (masculine)
  Root: dhṛ (class 1)

Note: Object of "prāpya".