महाभारतः mahābhārataḥ - book-1, chapter-71, verse-19

शुक्र उवाच ।
कच सुस्वागतं तेऽस्तु प्रतिगृह्णामि ते वचः ।
अर्चयिष्येऽहमर्च्यं त्वामर्चितोऽस्तु बृहस्पतिः ॥१९॥

19. śukra uvāca ,
kaca susvāgataṁ te'stu pratigṛhṇāmi te vacaḥ ,
arcayiṣye'hamarcyaṁ tvāmarcito'stu bṛhaspatiḥ.

19. śukraḥ uvāca kaca susvāgatam te astu pratigṛhṇāmi te
vacaḥ arcayiṣye aham arcyam tvām arcitaḥ astu bṛhaspatiḥ

19. Shukra said: 'Kacha, welcome to you! I accept your words. I shall honor you, who are worthy of veneration. May Brihaspati be honored (through this act).'

Words meanings summery:

• शुक्रः (śukraḥ) - The preceptor Shukra (Shukra (name of the preceptor of the Asuras))

• उवाच (uvāca) - he said, he spoke

• कच (kaca) - O Kacha

• सुस्वागतम् (susvāgatam) - May there be good welcome / good fortune for you. (welcome, a good welcome, well-being)

• ते (te) - to you (dative), your (genitive) (to you, your)

• अस्तु (astu) - may it be, let it be

• प्रतिगृह्णामि (pratigṛhṇāmi) - I accept your request (I accept, I receive)

• ते (te) - your (genitive) (to you, your)

• वचः (vacaḥ) - your words / request (word, speech, saying)

• अर्चयिष्ये (arcayiṣye) - I shall worship, I shall honor

• अहम् (aham) - I

• अर्च्यम् (arcyam) - you, who are worthy of veneration (venerable, worthy of worship, honorable)

• त्वाम् (tvām) - you

• अर्चितः (arcitaḥ) - worshipped, honored

• अस्तु (astu) - may he be, let him be

• बृहस्पतिः (bṛhaspatiḥ) - Brihaspati

Words meanings and morphology

शुक्रः (śukraḥ) - The preceptor Shukra (Shukra (name of the preceptor of the Asuras))

(proper noun)

Nominative, masculine, singular of śukra

śukra - Shukra (name of a sage), bright, white

उवाच (uvāca) - he said, he spoke

(verb)

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

perfect tense, 3rd singular, from root vac

Root: vac (class 2)

Note: Perfect tense form.

कच (kaca) - O Kacha

(proper noun)

Vocative, masculine, singular of kaca

kaca - Kacha (name of a mythological character)

सुस्वागतम् (susvāgatam) - May there be good welcome / good fortune for you. (welcome, a good welcome, well-being)

(noun)

Nominative, neuter, singular of susvāgata

susvāgata - well-received, welcome

Compound type : tatpurusha (su+svāgata)

• su – good, well, excellent
  indeclinable
• svāgata – well-come, welcome
  noun (neuter)
  Past Passive Participle
  from su + ā-gam
  Prefix: ā
  Root: gam (class 1)

Note: Used as an exclamation "Welcome!"

ते (te) - to you (dative), your (genitive) (to you, your)

(pronoun)

Dative, singular of yuṣmad

yuṣmad - you

Note: Enclitic form of dative or genitive singular. Here dative for 'susvāgatam te astu' (welcome to you) and genitive for 'te vacaḥ' (your words).

अस्तु (astu) - may it be, let it be

(verb)

3rd person , singular, active, imperative (loṭ) of as

प्रतिगृह्णामि (pratigṛhṇāmi) - I accept your request (I accept, I receive)

(verb)

1st person , singular, active, present (laṭ) of gṛh

Prefix: prati

Root: gṛh (class 9)

Note: With upasarga 'prati'.

ते (te) - your (genitive) (to you, your)

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

Note: Enclitic form.

वचः (vacaḥ) - your words / request (word, speech, saying)

(noun)

Accusative, neuter, singular of vacas

vacas - word, speech, voice

अर्चयिष्ये (arcayiṣye) - I shall worship, I shall honor

(verb)

1st person , singular, middle, future (lṛṭ) of arc

Future, 1st singular, Atmanepada (middle voice) from the causative of arc (arcayati -> arcayiṣye)

Root: arc (class 1)

Note: Causative form.

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

अर्च्यम् (arcyam) - you, who are worthy of veneration (venerable, worthy of worship, honorable)

(adjective)

Accusative, masculine, singular of arcya

arcya - to be worshipped, venerable

Gerundive

from root arc with suffix -ya, meaning 'to be worshipped'

Root: arc (class 1)

Note: Agrees with tvām.

त्वाम् (tvām) - you

(pronoun)

Accusative, singular of yuṣmad

yuṣmad - you

Note: Refers to Kacha.

अर्चितः (arcitaḥ) - worshipped, honored

(adjective)

Nominative, masculine, singular of arcita

arcita - worshipped, honored, praised

Past Passive Participle

from root arc with suffix -ta

Root: arc (class 1)

Note: Agrees with Bṛhaspatiḥ.

अस्तु (astu) - may he be, let him be

(verb)

3rd person , singular, active, imperative (loṭ) of as

बृहस्पतिः (bṛhaspatiḥ) - Brihaspati

(proper noun)

Nominative, masculine, singular of bṛhaspati

bṛhaspati - name of the preceptor of the gods