वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-7, chapter-33, verse-20

पितामहसुतश्चापि पुलस्त्यो मुनिसत्तमः ।
मोचयित्वा दशग्रीवं ब्रह्मलोकं जगाम सः ॥२०॥

20. pitāmahasutaścāpi pulastyo munisattamaḥ ,
mocayitvā daśagrīvaṃ brahmalokaṃ jagāma saḥ.

20. pitāmaha-sutaḥ ca api pulastyaḥ muni-sattamaḥ
mocayitvā daśagrīvam brahmalokam jagāma saḥ

20. And Pulastya, the best of sages and son of Brahmā, after releasing Daśagrīva, went to the world of Brahmā (brahmaloka).

Words meanings summery:

• पितामह-सुतः (pitāmaha-sutaḥ) - son of Brahmā (Pulastya) (son of the paternal grandfather; son of Brahmā)

• च (ca) - and; also

• अपि (api) - also; even; too

• पुलस्त्यः (pulastyaḥ) - Pulastya (a name of a sage)

• मुनि-सत्तमः (muni-sattamaḥ) - Pulastya, the best among sages (best among sages; most excellent sage)

• मोचयित्वा (mocayitvā) - having released; having caused to be freed

• दशग्रीवम् (daśagrīvam) - Rāvaṇa (the ten-necked one (Rāvaṇa))

• ब्रह्मलोकम् (brahmalokam) - to the world of Brahmā

• जगाम (jagāma) - went; proceeded

• सः (saḥ) - he; that

Words meanings and morphology

पितामह-सुतः (pitāmaha-sutaḥ) - son of Brahmā (Pulastya) (son of the paternal grandfather; son of Brahmā)

(noun)

Nominative, masculine, singular of pitāmaha-suta

pitāmaha-suta - son of Brahmā; son of paternal grandfather

Compound type : tatpuruṣa (pitāmaha+suta)

• pitāmaha – paternal grandfather; Brahmā
  noun (masculine)
• suta – son
  noun (masculine)
  Root: sū (class 4)

च (ca) - and; also

(indeclinable)

अपि (api) - also; even; too

(indeclinable)

पुलस्त्यः (pulastyaḥ) - Pulastya (a name of a sage)

(proper noun)

Nominative, masculine, singular of pulastya

pulastya - Pulastya (name of a great Rishi, one of the ten mind-born sons of Brahmā)

मुनि-सत्तमः (muni-sattamaḥ) - Pulastya, the best among sages (best among sages; most excellent sage)

(noun)

Nominative, masculine, singular of muni-sattama

muni-sattama - best of sages

Compound type : tatpuruṣa (muni+sattama)

• muni – sage; ascetic; inspired holy man
  noun (masculine)
• sattama – best; most excellent; noblest
  adjective (masculine)
  Superlative degree of 'sat' (good, excellent)

मोचयित्वा (mocayitvā) - having released; having caused to be freed

(indeclinable)

causative stem

Causative of root 'muc'

Root: muc (class 6)

Note: Absolutive/Gerund form

दशग्रीवम् (daśagrīvam) - Rāvaṇa (the ten-necked one (Rāvaṇa))

(proper noun)

Accusative, masculine, singular of daśagrīva

daśagrīva - the ten-necked one (an epithet of Rāvaṇa)

Compound type : bahuvrīhi (daśa+grīva)

• daśa – ten
  numeral
• grīva – neck
  noun (feminine)

ब्रह्मलोकम् (brahmalokam) - to the world of Brahmā

(noun)

Accusative, masculine, singular of brahmaloka

brahmaloka - the world or heaven of Brahmā

Compound type : tatpuruṣa (brahman+loka)

• brahman – Brahmā (the creator god); the Absolute Reality
  noun (masculine)
• loka – world; realm; sphere
  noun (masculine)

जगाम (jagāma) - went; proceeded

(verb)

3rd person , singular, active, perfect (Lit) of gam

Root: gam (class 1)

सः (saḥ) - he; that

(pronoun)

Nominative, masculine, singular of tad

tad - that; he/she/it