योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-12, verse-4

ततः सदाचारपरो भूत्वाहं मुनिनायक ।
विहृतस्तीर्थयात्रार्थमुर्वीमम्बुधिमेखलाम् ॥ ४ ॥

tataḥ sadācāraparo bhūtvāhaṃ munināyaka ,
vihṛtastīrthayātrārthamurvīmambudhimekhalām 4

4. tataḥ sadācāraparaḥ bhūtvā aham munināyaka
vihṛtaḥ tīrthayātrārtham urvīm ambudhimekhalām

4. Thereafter, O chief of sages, having become devoted to righteous conduct, I traveled across the earth, which is girdled by the oceans, for the purpose of pilgrimage.

Words meanings summery:

• ततः (tataḥ) - then, thereafter, from that

• सदाचारपरः (sadācāraparaḥ) - devoted to righteous conduct, diligent in good practices

• भूत्वा (bhūtvā) - having become

• अहम् (aham) - I

• मुनिनायक (munināyaka) - O chief of sages

• विहृतः (vihṛtaḥ) - roamed, wandered, traveled

• तीर्थयात्रार्थम् (tīrthayātrārtham) - for the purpose of pilgrimage, for pilgrimage

• उर्वीम् (urvīm) - the earth, land

• अम्बुधिमेखलाम् (ambudhimekhalām) - having oceans as a girdle, girdled by oceans

Words meanings and morphology

ततः (tataḥ) - then, thereafter, from that

(indeclinable)

सदाचारपरः (sadācāraparaḥ) - devoted to righteous conduct, diligent in good practices

(adjective)

Nominative, masculine, singular of sadācārapara

sadācārapara - devoted to good conduct, intent on proper behavior

Compound type : tatpuruṣa (sadācāra+para)

• sadācāra – righteous conduct, good behavior, moral practice
  noun (masculine)
• para – devoted to, intent on, supreme, other
  adjective

Note: Agrees with 'aham'.

भूत्वा (bhūtvā) - having become

(indeclinable)

Absolutive (Gerund)

From root 'bhū' (1st class) with suffix -tvā.

Root: bhū (class 1)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

मुनिनायक (munināyaka) - O chief of sages

(noun)

Vocative, masculine, singular of munināyaka

munināyaka - chief of sages, leader of ascetics

Compound type : ṣaṣṭhī-tatpuruṣa (muni+nāyaka)

• muni – sage, ascetic, seer
  noun (masculine)
• nāyaka – leader, chief, guide, hero
  noun (masculine)
  Root: nī (class 1)

विहृतः (vihṛtaḥ) - roamed, wandered, traveled

(adjective)

Nominative, masculine, singular of vihṛta

vihṛta - roamed, wandered, disported, played

Past Passive Participle

From root 'hṛ' with upasarga 'vi'.

Prefix: vi

Root: hṛ (class 1)

Note: Agrees with 'aham'.

तीर्थयात्रार्थम् (tīrthayātrārtham) - for the purpose of pilgrimage, for pilgrimage

(noun)

Accusative, masculine, singular of tīrthayātrārtha

tīrthayātrārtha - purpose of pilgrimage

Compound type : tatpuruṣa (tīrthayātrā+artha)

• tīrthayātrā – pilgrimage
  noun (feminine)
• artha – purpose, meaning, wealth, object
  noun (masculine)

Note: Used adverbially to express purpose.

उर्वीम् (urvīm) - the earth, land

(noun)

Accusative, feminine, singular of urvī

urvī - earth, ground, land

अम्बुधिमेखलाम् (ambudhimekhalām) - having oceans as a girdle, girdled by oceans

(adjective)

Accusative, feminine, singular of ambudhimekhala

ambudhimekhala - having the ocean as a girdle

Compound type : bahuvrīhi (ambudhi+mekhalā)

• ambudhi – ocean, sea (lit. 'water-receptacle')
  noun (masculine)
• mekhalā – girdle, belt, waist-band
  noun (feminine)

Note: Modifies 'urvīm'.