वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-7, chapter-57, verse-20

अथावसाने यज्ञस्य पूर्ववैरमनुस्मरन् ।
वसिष्ठरूपी राजानमिति होवाच राक्षसः ॥२०॥

20. athāvasāne yajñasya pūrvavairamanusmaran ,
vasiṣṭharūpī rājānamiti hovāca rākṣasaḥ.

20. atha avasāne yajñasya pūrva-vairam anusmaran
vasiṣṭha-rūpī rājānam iti hovāca rākṣasaḥ

20. atha yajñasya avasāne pūrva-vairam anusmaran
vasiṣṭha-rūpī rākṣasaḥ rājānam iti hovāca

20. Then, at the conclusion of the (Vedic ritual) (yajña), remembering the former enmity, a demon (rākṣasa) in the form of Vasiṣṭha spoke thus to the king.

Words meanings summery:

• अथ (atha) - then, now, thereupon

• अवसाने (avasāne) - at the conclusion, at the end

• यज्ञस्य (yajñasya) - of the (Vedic ritual), of the worship

• पूर्व-वैरम् (pūrva-vairam) - the former enmity, previous hostility

• अनुस्मरन् (anusmaran) - remembering, recalling

• वसिष्ठ-रूपी (vasiṣṭha-rūpī) - in the form of Vasiṣṭha, having the appearance of Vasiṣṭha

• राजानम् (rājānam) - to the king

• इति (iti) - Quotation marker, introducing direct speech. (thus, so)

• होवाच (hovāca) - said, spoke

• राक्षसः (rākṣasaḥ) - demon, ogre

Words meanings and morphology

अथ (atha) - then, now, thereupon

(indeclinable)

अवसाने (avasāne) - at the conclusion, at the end

(noun)

Locative, neuter, singular of avasāna

avasāna - conclusion, end, termination, cessation

यज्ञस्य (yajñasya) - of the (Vedic ritual), of the worship

(noun)

Genitive, masculine, singular of yajña

yajña - (Vedic ritual), worship, sacred ceremony

पूर्व-वैरम् (pūrva-vairam) - the former enmity, previous hostility

(noun)

Accusative, neuter, singular of pūrva-vaira

pūrva-vaira - former enmity, previous hostility

Compound type : karmadhāraya (pūrva+vaira)

• pūrva – former, previous, prior
  adjective
• vaira – enmity, hostility, hatred
  noun (neuter)

अनुस्मरन् (anusmaran) - remembering, recalling

(participle)

Nominative, masculine, singular of anusmarat

anusmarat - remembering, recalling

Present Active Participle

Derived from the root smṛ with prefix anu-

Prefix: anu

Root: smṛ (class 1)

वसिष्ठ-रूपी (vasiṣṭha-rūpī) - in the form of Vasiṣṭha, having the appearance of Vasiṣṭha

(adjective)

Nominative, masculine, singular of vasiṣṭha-rūpin

vasiṣṭha-rūpin - in the form of Vasiṣṭha, having the appearance of Vasiṣṭha

Compound type : bahuvrīhi (vasiṣṭha+rūpin)

• vasiṣṭha – Vasiṣṭha (a celebrated Vedic sage)
  proper noun (masculine)
• rūpin – having form, in the form of, appearing as
  adjective

राजानम् (rājānam) - to the king

(noun)

Accusative, masculine, singular of rājan

rājan - king, ruler

इति (iti) - Quotation marker, introducing direct speech. (thus, so)

(indeclinable)

होवाच (hovāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

Perfect tense (lit) form, often used in narrative to mean 'he said'

Root: vac (class 2)

राक्षसः (rākṣasaḥ) - demon, ogre

(noun)

Nominative, masculine, singular of rākṣasa

rākṣasa - demon, evil spirit, ogre