महाभारतः mahābhārataḥ - book-12, chapter-289, verse-31

अप्रमत्तो यथा धन्वी लक्ष्यं हन्ति समाहितः ।
युक्तः सम्यक्तथा योगी मोक्षं प्राप्नोत्यसंशयम् ॥३१॥

31. apramatto yathā dhanvī lakṣyaṁ hanti samāhitaḥ ,
yuktaḥ samyaktathā yogī mokṣaṁ prāpnotyasaṁśayam.

31. apramattaḥ yathā dhanvī lakṣyam hanti samāhitaḥ
yuktaḥ samyak tathā yogī mokṣam prāpnoti asaṃśayam

31. yathā apramattaḥ samāhitaḥ dhanvī lakṣyam hanti,
tathā yuktaḥ yogī samyak mokṣam asaṃśayam prāpnoti

31. Just as a diligent and concentrated archer hits the target, similarly, a practitioner of yoga (yogī) who is engaged in (yoga) properly attains liberation (mokṣa) without a doubt.

Words meanings summery:

• अप्रमत्तः (apramattaḥ) - diligent, attentive, not heedless

• यथा (yathā) - just as, as

• धन्वी (dhanvī) - archer

• लक्ष्यम् (lakṣyam) - target, aim, objective

• हन्ति (hanti) - hits the target (hits, strikes, kills)

• समाहितः (samāhitaḥ) - concentrated, composed, collected

• युक्तः (yuktaḥ) - engaged in the practice of yoga (disciplined, engaged, connected, yoked)

• सम्यक् (samyak) - rightly, properly, completely

• तथा (tathā) - so, similarly, thus

• योगी (yogī) - practitioner of yoga, ascetic

• मोक्षम् (mokṣam) - liberation, freedom, release

• प्राप्नोति (prāpnoti) - attains, obtains, reaches

• असंशयम् (asaṁśayam) - without doubt, certainly

Words meanings and morphology

अप्रमत्तः (apramattaḥ) - diligent, attentive, not heedless

(adjective)

Nominative, masculine, singular of apramatta

apramatta - not careless, diligent, vigilant, attentive

derived from pra-mad (to be careless) with 'a' (not) and kta suffix, forming a past passive participle used as an adjective.

Compound type : nañ-tatpuruṣa (a+pramatta)

• a – not, non
  indeclinable
  negative particle
• pramatta – careless, negligent, intoxicated
  adjective (masculine)
  Past Passive Participle
  from pra-mad (to be careless) + kta
  Prefix: pra
  Root: mad (class 4)

यथा (yathā) - just as, as

(indeclinable)

धन्वी (dhanvī) - archer

(noun)

Nominative, masculine, singular of dhanvin

dhanvin - archer, one who possesses a bow

from dhanus (bow) + vin (possessive suffix)

लक्ष्यम् (lakṣyam) - target, aim, objective

(noun)

Accusative, neuter, singular of lakṣya

lakṣya - target, mark, aim, object

Gerundive / Past Passive Participle

from root lakṣ (to mark, perceive) + ya (gerundive suffix) or kta (PPP suffix)

Root: lakṣ (class 10)

हन्ति (hanti) - hits the target (hits, strikes, kills)

(verb)

3rd person , singular, active, present (laṭ) of han

Present Active Indicative

Root han (class 2)

Root: han (class 2)

समाहितः (samāhitaḥ) - concentrated, composed, collected

(adjective)

Nominative, masculine, singular of samāhita

samāhita - collected, concentrated, composed, absorbed in meditation

Past Passive Participle

from sam-ā-dhā (to put together, compose) + kta

Prefixes: sam+ā

Root: dhā (class 3)

युक्तः (yuktaḥ) - engaged in the practice of yoga (disciplined, engaged, connected, yoked)

(adjective)

Nominative, masculine, singular of yukta

yukta - joined, yoked, engaged, concentrated, disciplined (in yoga)

Past Passive Participle

from yuj (to join, connect) + kta

Root: yuj (class 7)

सम्यक् (samyak) - rightly, properly, completely

(indeclinable)

From sam-añc (to go together, to be complete)

Prefix: sam

Root: añc (class 5)

तथा (tathā) - so, similarly, thus

(indeclinable)

योगी (yogī) - practitioner of yoga, ascetic

(noun)

Nominative, masculine, singular of yogin

yogin - a practitioner of yoga, an ascetic, one who is absorbed in meditation

from yoga + in (possessive suffix)

मोक्षम् (mokṣam) - liberation, freedom, release

(noun)

Accusative, masculine, singular of mokṣa

mokṣa - liberation, release, emancipation, final beatitude

from muc (to free, release) + sa

Root: muc (class 6)

प्राप्नोति (prāpnoti) - attains, obtains, reaches

(verb)

3rd person , singular, active, present (laṭ) of prāp

Present Active Indicative

from pra-āp (to reach, obtain)

Prefix: pra

Root: āp (class 5)

असंशयम् (asaṁśayam) - without doubt, certainly

(indeclinable)

From a (not) + saṃśaya (doubt)

Compound type : nañ-tatpuruṣa (a+saṃśaya)

• a – not, non
  indeclinable
  negative particle
• saṃśaya – doubt, uncertainty
  noun (masculine)
  from sam-śī (to lie together, to hesitate)
  Prefix: sam
  Root: śī (class 2)

Note: Here used adverbially.