महाभारतः mahābhārataḥ - book-12, chapter-349, verse-7

तस्य चाक्लेशकरणं स्वस्तिकारसमाहितम् ।
वर्तयाम्ययुतं ब्रह्म योगयुक्तो निरामयः ॥७॥

7. tasya cākleśakaraṇaṁ svastikārasamāhitam ,
vartayāmyayutaṁ brahma yogayukto nirāmayaḥ.

7. tasya ca akleśa-karaṇam svasti-kāra-samāhitam |
vartayāmi ayutam brahman yoga-yuktaḥ nirāmayaḥ

7. And for his sake, performing acts without distress, and intent on benevolent actions, I endure for an immense period, O brahmin, endowed with (yogic) discipline (yoga) and free from ailment.

Words meanings summery:

• तस्य (tasya) - for the sake of Padmanābha/the nāga (his, of him, for his sake)

• च (ca) - and, also, moreover

• अक्लेश-करणम् (akleśa-karaṇam) - the speaker's actions performed without suffering (performing (deeds) without trouble/distress)

• स्वस्ति-कार-समाहितम् (svasti-kāra-samāhitam) - the speaker's state of being intensely focused on good deeds for welfare (focused on benevolent acts, intent on welfare-creating actions)

• वर्तयामि (vartayāmi) - the speaker states that he continues or endures in this state (I live, I remain, I cause to turn, I maintain, I sustain)

• अयुतम् (ayutam) - for a very long or immense period of time (ten thousand, countless, immense (period of time))

• ब्रह्मन् (brahman) - the brahmin speaker addresses the nāga as 'brahman' out of respect (O brahmin (vocative))

• योग-युक्तः (yoga-yuktaḥ) - the speaker is engaged in yogic discipline (endowed with yoga, united in yoga, disciplined by yoga)

• निरामयः (nirāmayaḥ) - the speaker is free from illness or affliction (free from ailment, healthy, sound)

Words meanings and morphology

तस्य (tasya) - for the sake of Padmanābha/the nāga (his, of him, for his sake)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Used with a purpose-like meaning ("for his sake").

च (ca) - and, also, moreover

(indeclinable)

अक्लेश-करणम् (akleśa-karaṇam) - the speaker's actions performed without suffering (performing (deeds) without trouble/distress)

(noun)

Accusative, neuter, singular of akleśa-karaṇa

akleśa-karaṇa - doing/performing without trouble/distress, an act without suffering

Compound type : tatpuruṣa (a+kleśa+karaṇa)

• a – not, non-, un-
  indeclinable
  Negative prefix.
• kleśa – pain, distress, affliction, suffering
  noun (masculine)
  Root: kliś (class 4)
• karaṇa – act of doing, cause, instrument, action
  noun (neuter)
  verbal noun
  derived from root kṛ ("to do") with suffix -ana
  Root: kṛ (class 8)

Note: Adverbial usage or object of implicit verb.

स्वस्ति-कार-समाहितम् (svasti-kāra-samāhitam) - the speaker's state of being intensely focused on good deeds for welfare (focused on benevolent acts, intent on welfare-creating actions)

(adjective)

Nominative, masculine, singular of svasti-kāra-samāhita

svasti-kāra-samāhita - focused on acts of welfare, intent on auspicious deeds

Compound adjective, where 'samāhita' is a past passive participle used adjectivally.

Compound type : tatpuruṣa (svasti+kāra+samāhita)

• svasti – well-being, welfare, prosperity, auspiciousness
  noun (feminine)
  From su-as ("to be well").
  Prefix: su
  Root: as (class 2)
• kāra – doer, maker, action, agent
  noun (masculine)
  From root kṛ ("to do").
  Root: kṛ (class 8)
• samāhita – concentrated, composed, collected, fixed, intent, focused
  adjective (neuter)
  past passive participle
  Past passive participle of root dhā with prefixes sam and ā.
  Prefixes: sam+ā
  Root: dhā (class 3)

Note: Qualifies the implied subject 'aham'.

वर्तयामि (vartayāmi) - the speaker states that he continues or endures in this state (I live, I remain, I cause to turn, I maintain, I sustain)

(verb)

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

present active indicative (causative form)

1st person singular present active of causative of root vṛt

Root: vṛt (class 1)

अयुतम् (ayutam) - for a very long or immense period of time (ten thousand, countless, immense (period of time))

(indeclinable)

Negation (a-) of yuta (joined, yoked). Can also refer to a large number.

Root: yuj

Note: Adverbial.

ब्रह्मन् (brahman) - the brahmin speaker addresses the nāga as 'brahman' out of respect (O brahmin (vocative))

(noun)

Vocative, masculine, singular of brahman

brahman - a brahmin, a priest, one devoted to sacred knowledge, the creator god Brahmā

Form derived from root bṛh ("to grow, expand").

Root: bṛh (class 1)

Note: The speaker (brāhmaṇa) addresses the nāga as 'brahman'.

योग-युक्तः (yoga-yuktaḥ) - the speaker is engaged in yogic discipline (endowed with yoga, united in yoga, disciplined by yoga)

(adjective)

Nominative, masculine, singular of yoga-yukta

yoga-yukta - endowed with yoga, engaged in yoga, united in meditation, disciplined

Compound noun (yoga) + past passive participle (yukta).

Compound type : tatpuruṣa (yoga+yukta)

• yoga – (yogic) discipline, union, spiritual practice, connection, effort
  noun (masculine)
  From root yuj ("to yoke, join").
  Root: yuj (class 7)
• yukta – joined, united, equipped, engaged, disciplined
  adjective (masculine)
  past passive participle
  Past passive participle of root yuj.
  Root: yuj (class 7)

Note: Qualifies 'aham' (the speaker).

निरामयः (nirāmayaḥ) - the speaker is free from illness or affliction (free from ailment, healthy, sound)

(adjective)

Nominative, masculine, singular of nirāmaya

nirāmaya - free from illness, healthy, sound, well

Negation (nir-) of āmaya (illness, disease).

Compound type : bahuvrīhi (nis+āmaya)

• nis – out, forth, without, negation
  indeclinable
  Prefix indicating absence or removal.
• āmaya – illness, disease, sickness, affliction
  noun (masculine)
  From root am (to go, to be ill).
  Prefix: ā
  Root: am (class 1)

Note: Qualifies 'aham' (the speaker).