महाभारतः mahābhārataḥ - book-3, chapter-45, verse-9

कदाचिदटमानस्तु महर्षिरुत लोमशः ।
जगाम शक्रभवनं पुरंदरदिदृक्षया ॥९॥

9. kadācidaṭamānastu maharṣiruta lomaśaḥ ,
jagāma śakrabhavanaṁ puraṁdaradidṛkṣayā.

9. kadācit aṭamānaḥ tu maharṣiḥ uta lomaśaḥ
jagāma śakrabhavanam purandaradidṛkṣayā

9. One day, the great sage Lomasa, while wandering, went to Indra's abode with the desire to see Purandara (Indra).

Words meanings summery:

• कदाचित् (kadācit) - once, one day (once, sometimes, at some time)

• अटमानः (aṭamānaḥ) - while wandering (wandering, roaming)

• तु (tu) - and (but, and, on the other hand)

• महर्षिः (maharṣiḥ) - the great sage (great sage)

• उत (uta) - and (conjunction for listing names) (and, moreover, also)

• लोमशः (lomaśaḥ) - Lomasa (Lomasa (name of a sage))

• जगाम (jagāma) - went

• शक्रभवनम् (śakrabhavanam) - Indra's abode (Indra's abode, the dwelling of Indra)

• पुरन्दरदिदृक्षया (purandaradidṛkṣayā) - with the desire to see Purandara (Indra) (with a desire to see Purandara)

Words meanings and morphology

कदाचित् (kadācit) - once, one day (once, sometimes, at some time)

(indeclinable)

अटमानः (aṭamānaḥ) - while wandering (wandering, roaming)

(adjective)

Nominative, masculine, singular of aṭamāna

aṭamāna - wandering, roaming, moving about

Present Participle (Middle Voice / Śānac)

Present participle (ātmanepada) of root aṭ (class 1)

Root: aṭ (class 1)

तु (tu) - and (but, and, on the other hand)

(indeclinable)

महर्षिः (maharṣiḥ) - the great sage (great sage)

(noun)

Nominative, masculine, singular of maharṣi

maharṣi - great sage, a revered seer

Compound type : karmadhāraya (mahā+ṛṣi)

• mahā – great, large, mighty
  adjective
• ṛṣi – sage, seer, inspired poet
  noun (masculine)

उत (uta) - and (conjunction for listing names) (and, moreover, also)

(indeclinable)

लोमशः (lomaśaḥ) - Lomasa (Lomasa (name of a sage))

(proper noun)

Nominative, masculine, singular of lomaśa

lomaśa - Lomasa (name of a sage), hairy, furry

जगाम (jagāma) - went

(verb)

3rd person , singular, active, perfect (liṭ) of jagāma

Perfect Tense

3rd person singular active perfect of root gam (class 1)

Root: gam (class 1)

शक्रभवनम् (śakrabhavanam) - Indra's abode (Indra's abode, the dwelling of Indra)

(noun)

Accusative, neuter, singular of śakrabhavana

śakrabhavana - Indra's dwelling, heaven

Compound type : tatpuruṣa (śakra+bhavana)

• śakra – Indra, powerful
  noun (masculine)
• bhavana – house, dwelling, abode, being, becoming
  noun (neuter)
  From root bhū (to be, become)
  Root: bhū (class 1)

पुरन्दरदिदृक्षया (purandaradidṛkṣayā) - with the desire to see Purandara (Indra) (with a desire to see Purandara)

(noun)

Instrumental, feminine, singular of purandaradidṛkṣā

purandaradidṛkṣā - desire to see Purandara

Compound type : tatpuruṣa (purandara+didṛkṣā)

• purandara – Indra, destroyer of fortresses
  proper noun (masculine)
• didṛkṣā – desire to see
  noun (feminine)
  Desiderative Nominalization
  Feminine noun formed from the desiderative stem of root dṛś
  Root: dṛś (class 1)

Note: Instrumental case indicates 'with' or 'by means of' this desire.