महाभारतः mahābhārataḥ - book-1, chapter-43, verse-20

प्रादुष्कृताग्निहोत्रोऽयं मुहूर्तो रम्यदारुणः ।
संध्या प्रवर्तते चेयं पश्चिमायां दिशि प्रभो ॥२०॥

20. prāduṣkṛtāgnihotro'yaṁ muhūrto ramyadāruṇaḥ ,
saṁdhyā pravartate ceyaṁ paścimāyāṁ diśi prabho.

20. prāduṣkṛtāgnihotraḥ ayam muhūrtaḥ ramyadāruṇaḥ
saṃdhyā pravartate ca iyam paścimāyām diśi prabho

20. O Lord, this moment, when the Agnihotra sacrifice is to be made manifest, is both beautiful and awe-inspiring. And this twilight is now prevailing in the western direction.

Words meanings summery:

• प्रादुष्कृताग्निहोत्रः (prāduṣkṛtāgnihotraḥ) - when the Agnihotra sacrifice is to be made manifest ((a time) for which the Agnihotra sacrifice has been made manifest/performed)

• अयम् (ayam) - this (this (masculine nominative singular))

• मुहूर्तः (muhūrtaḥ) - moment (moment, instant, specific division of time, auspicious time)

• रम्यदारुणः (ramyadāruṇaḥ) - both beautiful and awe-inspiring (lovely and dreadful, beautiful and awe-inspiring)

• संध्या (saṁdhyā) - twilight (twilight, juncture, twilight prayer)

• प्रवर्तते (pravartate) - is prevailing (proceeds, continues, prevails, sets in)

• च (ca) - and (and, also, moreover)

• इयम् (iyam) - this (this (feminine nominative singular))

• पश्चिमायाम् (paścimāyām) - in the western

• दिशि (diśi) - in the direction

• प्रभो (prabho) - O Lord (O Lord, O master, O mighty one)

Words meanings and morphology

प्रादुष्कृताग्निहोत्रः (prāduṣkṛtāgnihotraḥ) - when the Agnihotra sacrifice is to be made manifest ((a time) for which the Agnihotra sacrifice has been made manifest/performed)

(adjective)

Nominative, masculine, singular of prāduṣkṛtāgnihotra

prāduṣkṛtāgnihotra - (a time) when the Agnihotra has been made manifest or performed, having performed the Agnihotra

Bahuvrīhi compound: prādus-kṛta (made manifest) + agnihotra (Agnihotra sacrifice).

Compound type : bahuvrīhi (prāduṣkṛta+agnihotra)

• prāduṣkṛta – made manifest, brought forth, performed
  adjective (masculine)
  past passive participle
  From prādus (manifest) + root kṛ (to do, make).
  Prefix: prādus
  Root: kṛ (class 8)
• agnihotra – fire-sacrifice, a specific daily Vedic ritual
  noun (neuter)
  Compound of agni (fire) + hotra (oblation/sacrifice).
  Root: hu

अयम् (ayam) - this (this (masculine nominative singular))

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one, he, she, it

Demonstrative pronoun.

Note: Refers to muhūrtaḥ.

मुहूर्तः (muhūrtaḥ) - moment (moment, instant, specific division of time, auspicious time)

(noun)

Nominative, masculine, singular of muhūrta

muhūrta - a moment, an instant, a period of 48 minutes, an auspicious time

Literally 'a short time'.

Note: Subject of the first clause.

रम्यदारुणः (ramyadāruṇaḥ) - both beautiful and awe-inspiring (lovely and dreadful, beautiful and awe-inspiring)

(adjective)

Nominative, masculine, singular of ramyadāruṇa

ramyadāruṇa - lovely and dreadful, beautiful and formidable/awe-inspiring

Dvandva or Karmadhāraya compound: ramya (beautiful) and dāruṇa (dreadful).

Compound type : dvandva (ramya+dāruṇa)

• ramya – pleasant, delightful, beautiful, charming
  adjective (masculine)
  potential participle (gerundive)
  From root ram (to enjoy, delight) with suffix ya.
  Root: ram (class 1)
• dāruṇa – dreadful, terrible, severe, cruel, harsh, formidable
  adjective (masculine)
  From root dṝ (to split) or dṝ (to fear).
  Root: dṝ

संध्या (saṁdhyā) - twilight (twilight, juncture, twilight prayer)

(noun)

Nominative, feminine, singular of saṃdhyā

saṁdhyā - twilight, juncture of day and night, morning and evening prayer

From sam + dhā + ya.

Root: dhā

Note: Subject of the second clause.

प्रवर्तते (pravartate) - is prevailing (proceeds, continues, prevails, sets in)

(verb)

3rd person , singular, middle, present (laṭ) of pravart

From root vṛt (to turn, exist) with prefix pra.

Prefix: pra

Root: vṛt (class 1)

च (ca) - and (and, also, moreover)

(indeclinable)

Conjunction.

इयम् (iyam) - this (this (feminine nominative singular))

(pronoun)

Nominative, feminine, singular of idam

idam - this, this one, he, she, it

Demonstrative pronoun.

पश्चिमायाम् (paścimāyām) - in the western

(adjective)

Locative, feminine, singular of paścimā

paścima - western, hindmost, last

Derived from paścāt (behind, after). Feminine form.

दिशि (diśi) - in the direction

(noun)

Locative, feminine, singular of diś

diś - direction, quarter, region

From root diś (to point out).

Root: diś (class 6)

प्रभो (prabho) - O Lord (O Lord, O master, O mighty one)

(noun)

Vocative, masculine, singular of prabhu

prabhu - master, lord, king, mighty, powerful, capable

From root bhū (to be) with prefix pra.

Prefix: pra

Root: bhū (class 1)

Note: Addressed to Jaratkāru (the sage).