महाभारतः mahābhārataḥ - book-12, chapter-136, verse-13

अमित्रो मित्रतां याति मित्रं चापि प्रदुष्यति ।
सामर्थ्ययोगात्कार्याणां तद्गत्या हि सदा गतिः ॥१३॥

13. amitro mitratāṁ yāti mitraṁ cāpi praduṣyati ,
sāmarthyayogātkāryāṇāṁ tadgatyā hi sadā gatiḥ.

13. amitraḥ mitratām yāti mitram ca api praduṣyati
sāmarthyayogāt kāryāṇām tadgatyā hi sadā gatiḥ

13. amitraḥ mitratām yāti ca api mitram praduṣyati
kāryāṇām sāmarthyayogāt hi sadā tadgatyā gatiḥ

13. An enemy can become a friend, and a friend can also turn hostile. This occurs due to the effectiveness (sāmarthya) in the execution of tasks, for their outcome (gati) is indeed always determined by their progression.

Words meanings summery:

• अमित्रः (amitraḥ) - an enemy, a foe

• मित्रताम् (mitratām) - friendship, the state of being a friend

• याति (yāti) - goes, reaches, obtains, becomes

• मित्रम् (mitram) - a friend, an ally

• च (ca) - and, also

• अपि (api) - also, even, too

• प्रदुष्यति (praduṣyati) - becomes hostile, gets corrupted, goes wrong

• सामर्थ्ययोगात् (sāmarthyayogāt) - due to the application of power/ability, by virtue of effectiveness

• कार्याणाम् (kāryāṇām) - of actions, of tasks, of matters

• तद्गत्या (tadgatyā) - by their course, by its movement/progression

• हि (hi) - indeed, surely, for

• सदा (sadā) - always, ever

• गतिः (gatiḥ) - course, movement, outcome, destiny

Words meanings and morphology

अमित्रः (amitraḥ) - an enemy, a foe

(noun)

Nominative, masculine, singular of amitra

amitra - without friends, an enemy, a foe

Compound type : nañ-tatpuruṣa (na+mitra)

• na – not
  indeclinable
• mitra – friend, sun
  noun (masculine)

मित्रताम् (mitratām) - friendship, the state of being a friend

(noun)

Accusative, feminine, singular of mitratā

mitratā - friendship, alliance

Derived from mitra + suffix -tā for abstract quality.

याति (yāti) - goes, reaches, obtains, becomes

(verb)

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

Root: yā (class 2)

मित्रम् (mitram) - a friend, an ally

(noun)

Nominative, neuter, singular of mitra

mitra - friend, ally, companion

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, too

(indeclinable)

प्रदुष्यति (praduṣyati) - becomes hostile, gets corrupted, goes wrong

(verb)

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

Prefix: pra

Root: duṣ (class 4)

सामर्थ्ययोगात् (sāmarthyayogāt) - due to the application of power/ability, by virtue of effectiveness

(noun)

Ablative, masculine, singular of sāmarthyayoga

sāmarthyayoga - application of power, effectiveness

Compound type : tatpuruṣa (sāmarthya+yoga)

• sāmarthya – power, ability, capability
  noun (neuter)
  From samartha + ya suffix
• yoga – application, union, means, effort, (yoga)
  noun (masculine)
  Root: yuj (class 7)

कार्याणाम् (kāryāṇām) - of actions, of tasks, of matters

(noun)

Genitive, neuter, plural of kārya

kārya - an action, a task, an affair, that which is to be done

Gerundive

From kṛ + ṇyat suffix

Root: kṛ (class 8)

तद्गत्या (tadgatyā) - by their course, by its movement/progression

(noun)

Instrumental, feminine, singular of tadgati

tadgati - its course, its movement, that progression

Compound type : tatpuruṣa (tad+gati)

• tad – that, its
  pronoun (neuter)
• gati – going, motion, course, outcome
  noun (feminine)
  Root: gam (class 1)

हि (hi) - indeed, surely, for

(indeclinable)

सदा (sadā) - always, ever

(indeclinable)

गतिः (gatiḥ) - course, movement, outcome, destiny

(noun)

Nominative, feminine, singular of gati

gati - going, motion, course, outcome, destiny

Root: gam (class 1)