वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-37, verse-40

मम पृष्ठगतौ तौ च चन्द्रसूर्याविवोदितौ ।
त्वत्सकाशं महासत्त्वौ नृसिंहावागमिष्यतः ॥४०॥

40. mama pṛṣṭhagatau tau ca candrasūryāvivoditau ,
tvatsakāśaṃ mahāsattvau nṛsiṃhāvāgamiṣyataḥ.

40. mama pṛṣṭhagatau tau ca candrasūryau iva uditau
tvatsakāśam mahāsattvau nṛsiṃhau āgamiṣyataḥ

40. tau ca mahāsattvau mama pṛṣṭhagatau candrasūryau
iva uditau nṛsiṃhau tvatsakāśam āgamiṣyataḥ

40. Those two valiant ones, positioned behind me, mighty like the rising moon and sun, will approach your presence like two lion-men.

Words meanings summery:

• मम (mama) - my, of me

• पृष्ठगतौ (pṛṣṭhagatau) - situated at the back, behind

• तौ (tau) - Rama and Lakshmana (those two)

• च (ca) - and, also

• चन्द्रसूर्यौ (candrasūryau) - moon and sun

• इव (iva) - like, as if

• उदितौ (uditau) - risen, appeared

• त्वत्सकाशम् (tvatsakāśam) - to your presence, to your vicinity

• महासत्त्वौ (mahāsattvau) - valiant, mighty (referring to Rama and Lakshmana) (very powerful, mighty, great-souled)

• नृसिंहौ (nṛsiṁhau) - like two brave and fierce warriors (Rama and Lakshmana) (two lion-like men, two man-lions)

• आगमिष्यतः (āgamiṣyataḥ) - will come, will approach

Words meanings and morphology

मम (mama) - my, of me

(pronoun)

Genitive, singular of asmad

asmad - I, me

पृष्ठगतौ (pṛṣṭhagatau) - situated at the back, behind

(adjective)

Nominative, masculine, dual of pṛṣṭhagata

pṛṣṭhagata - located at the back, behind

Compound type : tatpuruṣa (pṛṣṭha+gata)

• pṛṣṭha – back, rear
  noun (neuter)
• gata – gone, arrived, situated
  adjective (masculine)
  Past Passive Participle
  From root gam (to go)
  Root: gam (class 1)

तौ (tau) - Rama and Lakshmana (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, he, she, it

च (ca) - and, also

(indeclinable)

चन्द्रसूर्यौ (candrasūryau) - moon and sun

(noun)

Nominative, masculine, dual of candrasūrya

candrasūrya - moon and sun

Compound type : dvandva (candra+sūrya)

• candra – moon
  noun (masculine)
• sūrya – sun
  noun (masculine)

इव (iva) - like, as if

(indeclinable)

उदितौ (uditau) - risen, appeared

(adjective)

Nominative, masculine, dual of udita

udita - risen, appeared, spoken

Past Passive Participle

From root vad with upasarga ud

Prefix: ud

Root: vad (class 1)

त्वत्सकाशम् (tvatsakāśam) - to your presence, to your vicinity

(noun)

Accusative, masculine, singular of tvatsakāśa

tvatsakāśa - your presence, your vicinity

Compound type : tatpuruṣa (tvad+sakāśa)

• tvad – you
  pronoun
• sakāśa – presence, vicinity
  noun (masculine)

Note: Used adverbially to indicate destination.

महासत्त्वौ (mahāsattvau) - valiant, mighty (referring to Rama and Lakshmana) (very powerful, mighty, great-souled)

(adjective)

Nominative, masculine, dual of mahāsattva

mahāsattva - of great essence, mighty, valorous, great-souled

Compound type : karmadhāraya (mahā+sattva)

• mahā – great, mighty
  adjective
• sattva – essence, being, strength, valor
  noun (neuter)

नृसिंहौ (nṛsiṁhau) - like two brave and fierce warriors (Rama and Lakshmana) (two lion-like men, two man-lions)

(noun)

Nominative, masculine, dual of nṛsiṃha

nṛsiṁha - man-lion, a man like a lion

Compound type : karmadhāraya (nṛ+siṃha)

• nṛ – man
  noun (masculine)
• siṃha – lion
  noun (masculine)

आगमिष्यतः (āgamiṣyataḥ) - will come, will approach

(verb)

3rd person , dual, active, future (lṛṭ) of gam

Root: gam (class 1)

Note: With upasarga ā-