महाभारतः mahābhārataḥ - book-12, chapter-276, verse-50

स्वाहास्वधावषट्कारा यत्र सम्यगनुष्ठिताः ।
अजस्रं चैव वर्तन्ते वसेत्तत्राविचारयन् ॥५०॥

50. svāhāsvadhāvaṣaṭkārā yatra samyaganuṣṭhitāḥ ,
ajasraṁ caiva vartante vasettatrāvicārayan.

50. svāhāsvadhāvaṣaṭkārāḥ yatra samyak anuṣṭhitāḥ
ajasram ca eva vartante vaset tatra avicārayan

50. yatra svāhāsvadhāvaṣaṭkārāḥ samyak anuṣṭhitāḥ ca eva ajasram vartante,
tatra avicārayan vaset

50. One should reside there without hesitation, in a country where the sacred utterances of Svāhā, Svadhā, and Vaṣaṭ, essential for Vedic rituals, are properly and constantly performed.

Words meanings summery:

• स्वाहास्वधावषट्काराः (svāhāsvadhāvaṣaṭkārāḥ) - The sacred utterances or acts of offering associated with Vedic rituals. (pronouncements of Svāhā, Svadhā, and Vaṣaṭ; offerings made with these mantras)

• यत्र (yatra) - where, in which place

• सम्यक् (samyak) - properly, correctly, completely

• अनुष्ठिताः (anuṣṭhitāḥ) - properly performed (performed, observed, established)

• अजस्रम् (ajasram) - constantly, perpetually, unceasingly

• च (ca) - and, also

• एव (eva) - only, indeed, certainly

• वर्तन्ते (vartante) - they are regularly performed (they exist, they occur, they are performed)

• वसेत् (vaset) - one should reside, one should dwell

• तत्र (tatra) - there, in that place

• अविचारयन् (avicārayan) - not deliberating, without hesitation, without doubt

Words meanings and morphology

स्वाहास्वधावषट्काराः (svāhāsvadhāvaṣaṭkārāḥ) - The sacred utterances or acts of offering associated with Vedic rituals. (pronouncements of Svāhā, Svadhā, and Vaṣaṭ; offerings made with these mantras)

(noun)

Nominative, masculine, plural of svāhāsvadhāvaṣaṭkāra

svāhāsvadhāvaṣaṭkāra - the uttering of Svāhā, Svadhā, and Vaṣaṭ (sacred interjections during rituals); acts of offering

Dvandva compound of Svāhā, Svadhā, Vaṣaṭ, and Kāra (act/utterance)

Compound type : dvandva (svāhā+svadhā+vaṣaṭ+kāra)

• svāhā – hail!, an oblation, an exclamation used in offerings to gods
  indeclinable
• svadhā – oblation (to Manes), one's own power, a sacred exclamation used in offerings to ancestors
  indeclinable
• vaṣaṭ – a sacred exclamation uttered at an oblation to the gods
  indeclinable
• kāra – act, deed, making, utterance
  noun (masculine)
  from root √kṛ (to do, make)
  Root: kṛ (class 8)

यत्र (yatra) - where, in which place

(indeclinable)

सम्यक् (samyak) - properly, correctly, completely

(indeclinable)

from 'sam' (together, well) + 'añc' (to go straight)

Root: añc (class 5)

Note: Adverb modifying 'anuṣṭhitāḥ' and 'vartante'.

अनुष्ठिताः (anuṣṭhitāḥ) - properly performed (performed, observed, established)

(adjective)

Nominative, masculine, plural of anuṣṭhita

anuṣṭhita - performed, observed, done, established

Past Passive Participle

from prefix 'anu' + root '√sthā' (to stand, perform)

Prefix: anu

Root: sthā (class 1)

Note: Qualifies 'svāhāsvadhāvaṣaṭkārāḥ'.

अजस्रम् (ajasram) - constantly, perpetually, unceasingly

(indeclinable)

'a' (not) + 'jasra' (exhausted, worn out)

Note: Adverb modifying 'vartante'.

च (ca) - and, also

(indeclinable)

Note: Connects 'samyak' and 'ajasram'.

एव (eva) - only, indeed, certainly

(indeclinable)

Note: Emphatic particle.

वर्तन्ते (vartante) - they are regularly performed (they exist, they occur, they are performed)

(verb)

3rd person , plural, middle, present (laṭ) of vṛt

present tense

3rd person plural present middle from root '√vṛt' (to be, exist)

Root: vṛt (class 1)

Note: Verb for 'svāhāsvadhāvaṣaṭkārāḥ'.

वसेत् (vaset) - one should reside, one should dwell

(verb)

3rd person , singular, active, optative (vidhiliṅ) of vas

optative mood

3rd person singular optative active from root '√vas' (to dwell)

Root: vas (class 1)

तत्र (tatra) - there, in that place

(indeclinable)

Note: Refers to the country described.

अविचारयन् (avicārayan) - not deliberating, without hesitation, without doubt

(adjective)

Nominative, masculine, singular of avicārayat

avicārayat - not deliberating, without consideration

Present Active Participle

from 'a' (not) + causative of root '√car' (to move, think) + 'yat' suffix

Compound type : nañ-tatpuruṣa (a+vicārayat)

• a – not, un-
  indeclinable
• vicārayat – deliberating, considering, thinking
  adjective (masculine)
  Present Active Participle
  present active participle (śatṛ) from causative of prefix 'vi' + root '√car'
  Prefix: vi
  Root: car (class 1)

Note: Qualifies the implied subject ('one') of 'vaset'.