वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-1, chapter-59, verse-9

ऋत्विजश्चानुपूर्व्येण मन्त्रवन्मन्त्रकोविदाः ।
चक्रुः सर्वाणि कर्माणि यथाकल्पं यथाविधि ॥९॥

9. ṛtvijaścānupūrvyeṇa mantravanmantrakovidāḥ ,
cakruḥ sarvāṇi karmāṇi yathākalpaṃ yathāvidhi.

9. ṛtvijaḥ ca anupūrvyena mantravat mantra-kovidāḥ
cakruḥ sarvāṇi karmāṇi yathākalpam yathāvidhi

9. ca mantra-kovidāḥ mantravat ṛtvijaḥ anupūrvyena
sarvāṇi karmāṇi yathākalpam yathāvidhi cakruḥ

9. And the priests (ṛtvij), skilled in mantras and possessing mantras, performed all the rites in due order, strictly according to the prescribed form and procedure.

Words meanings summery:

• ऋत्विजः (ṛtvijaḥ) - priests, officiating priests

• च (ca) - and

• अनुपूर्व्येन (anupūrvyena) - in due order, sequentially

• मन्त्रवत् (mantravat) - with mantras, possessing mantras

• मन्त्र-कोविदाः (mantra-kovidāḥ) - skilled in mantras, experts in sacred texts

• चक्रुः (cakruḥ) - they did, they performed

• सर्वाणि (sarvāṇi) - all

• कर्माणि (karmāṇi) - actions, rites

• यथाकल्पम् (yathākalpam) - according to the prescribed form/rule

• यथाविधि (yathāvidhi) - according to the rules/procedure

Words meanings and morphology

ऋत्विजः (ṛtvijaḥ) - priests, officiating priests

(noun)

Nominative, masculine, plural of ṛtvij

ṛtvij - officiating priest, sacrificer

Root: yaj (class 1)

च (ca) - and

(indeclinable)

अनुपूर्व्येन (anupūrvyena) - in due order, sequentially

(noun)

Instrumental, neuter, singular of anupūrvya

anupūrvya - order, sequence, succession

Note: Used adverbially to mean 'in due order'.

मन्त्रवत् (mantravat) - with mantras, possessing mantras

(adjective)

Nominative, masculine, plural of mantravat

mantravat - having a mantra, accompanied by mantras, sacred

Suffix -vat indicating possession.

Note: Agrees with 'ṛtvijaḥ'.

मन्त्र-कोविदाः (mantra-kovidāḥ) - skilled in mantras, experts in sacred texts

(adjective)

Nominative, masculine, plural of mantra-kovida

mantra-kovida - skilled in mantras, knowing sacred texts

Compound type : Ṣaṣṭhī Tatpuruṣa (mantra+kovida)

• mantra – sacred utterance, hymn, prayer (mantra)
  noun (masculine)
• kovida – skilled, expert, knowing
  adjective (masculine)

चक्रुः (cakruḥ) - they did, they performed

(verb)

3rd person , plural, active, perfect (liṭ) of kṛ

Root: kṛ (class 8)

सर्वाणि (sarvāṇi) - all

(pronoun)

Accusative, neuter, plural of sarva

sarva - all, every, whole, complete

कर्माणि (karmāṇi) - actions, rites

(noun)

Accusative, neuter, plural of karman

karman - action, deed, work, rite, ritual (karma)

Root: kṛ (class 8)

यथाकल्पम् (yathākalpam) - according to the prescribed form/rule

(indeclinable)

Compound type : Avyayībhāva (yathā+kalpam)

• yathā – as, according to
  indeclinable
• kalpa – rule, sacred precept, ritual formula, proper form
  noun (masculine)

यथाविधि (yathāvidhi) - according to the rules/procedure

(indeclinable)

Compound type : Avyayībhāva (yathā+vidhi)

• yathā – as, according to
  indeclinable
• vidhi – rule, injunction, method, procedure
  noun (masculine)