वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-3, chapter-8, verse-13

पुरा किल महाबाहो तपस्वी सत्यवाक् शुचिः ।
कस्मिंश्चिदभवत् पुण्ये वने रतमृगद्विजे ॥१३॥

13. purā kila mahābāho tapasvī satyavāk śuciḥ ,
kasmiṃścidabhavat puṇye vane ratamṛgadvije.

13. purā kila mahābāhō tapasvī satyavāk śuciḥ
kasmiṃścit abhavat puṇye vane ratamṛgadvije

13. mahābāhō purā kila kasmiṃścit puṇye
ratamṛgadvije vane satyavāk śuciḥ tapasvī abhavat

13. Indeed, O mighty-armed one, long ago there was a pure (śuciḥ), truthful ascetic in a certain sacred forest where deer and birds joyfully resided.

Words meanings summery:

• पुरा (purā) - formerly, in ancient times, before

• किल (kila) - indeed, certainly, it is said

• महाबाह्ओ (mahābāhō) - O mighty-armed one

• तपस्वी (tapasvī) - an ascetic, a renunciate

• सत्यवाक् (satyavāk) - truthful, speaking the truth

• शुचिः (śuciḥ) - pure, clean, holy

• कस्मिंश्चित् (kasmiṁścit) - in a certain, in some

• अभवत् (abhavat) - was, existed, became

• पुण्ये (puṇye) - in a sacred, in a holy, in a meritorious

• वने (vane) - in a forest, in a grove

• रतमृगद्विजे (ratamṛgadvije) - where deer and birds rejoiced, in which deer and birds were delighted

Words meanings and morphology

पुरा (purā) - formerly, in ancient times, before

(indeclinable)

किल (kila) - indeed, certainly, it is said

(indeclinable)

महाबाह्ओ (mahābāhō) - O mighty-armed one

(adjective)

Vocative, masculine, singular of mahābāhu

mahābāhu - having mighty arms, mighty-armed

Compound type : bahuvrihi (mahā+bāhu)

• mahā – great, large, mighty
  adjective
• bāhu – arm
  noun (masculine)

तपस्वी (tapasvī) - an ascetic, a renunciate

(noun)

Nominative, masculine, singular of tapasvin

tapasvin - an ascetic, one who practices penance (tapas), a devotee of austerities

सत्यवाक् (satyavāk) - truthful, speaking the truth

(adjective)

Nominative, masculine, singular of satyavāc

satyavāc - truthful, speaking the truth

Compound type : bahuvrihi (satya+vāc)

• satya – truth, true, real
  noun (neuter)
• vāc – speech, voice, word
  noun (feminine)

शुचिः (śuciḥ) - pure, clean, holy

(adjective)

Nominative, masculine, singular of śuci

śuci - pure, clean, bright, holy, virtuous

कस्मिंश्चित् (kasmiṁścit) - in a certain, in some

(pronoun)

Locative, neuter, singular of kim-cid

kim-cid - some, certain, any

Compound of kim (what) and cid (an enclitic particle for indefiniteness).

अभवत् (abhavat) - was, existed, became

(verb)

3rd person , singular, active, imperfect (laṅ) of √bhū

Root: bhū (class 1)

पुण्ये (puṇye) - in a sacred, in a holy, in a meritorious

(adjective)

Locative, neuter, singular of puṇya

puṇya - meritorious, virtuous, holy, sacred, auspicious

वने (vane) - in a forest, in a grove

(noun)

Locative, neuter, singular of vana

vana - forest, wood, grove, thicket

रतमृगद्विजे (ratamṛgadvije) - where deer and birds rejoiced, in which deer and birds were delighted

(adjective)

Locative, neuter, singular of ratamṛgadvija

ratamṛgadvija - where deer and birds are delighted; (a place) having delighted deer and birds

Compound type : bahuvrihi (rata+mṛga+dvija)

• rata – delighted, pleased, attached, engaged in
  adjective
  Past Passive Participle
  From √ram (to rejoice).
  Root: ram (class 1)
• mṛga – deer, wild animal, game
  noun (masculine)
• dvija – bird, twice-born (Brahmin, Kshatriya, Vaishya)
  noun (masculine)