महाभारतः mahābhārataḥ - book-12, chapter-28, verse-18

सुप्रियैर्विप्रयोगश्च संप्रयोगस्तथाप्रियैः ।
अर्थानर्थौ सुखं दुःखं विधानमनुवर्तते ॥१८॥

18. supriyairviprayogaśca saṁprayogastathāpriyaiḥ ,
arthānarthau sukhaṁ duḥkhaṁ vidhānamanuvartate.

18. supriyaiḥ viprayogaḥ ca samprayogaḥ tathā apriyaiḥ
arthānarthau sukhaṃ duḥkhaṃ vidhānam anuvartate

18. supriyaiḥ viprayogaḥ ca apriyaiḥ samprayogaḥ tathā
arthānarthau sukhaṃ duḥkhaṃ vidhānam anuvartate

18. Separation from very dear ones, and association with the unpleasant, as well as gain and loss, happiness and sorrow – all these follow the divine ordinance.

Words meanings summery:

• सुप्रियैः (supriyaiḥ) - with very dear ones

• विप्रयोगः (viprayogaḥ) - separation, disjunction

• च (ca) - and

• सम्प्रयोगः (samprayogaḥ) - association, union

• तथा (tathā) - and, likewise, thus

• अप्रियैः (apriyaiḥ) - with unpleasant ones, with enemies

• अर्थानर्थौ (arthānarthau) - gain and loss, profit and misfortune

• सुखं (sukhaṁ) - happiness, pleasure

• दुःखं (duḥkhaṁ) - sorrow, suffering

• विधानम् (vidhānam) - destiny, ordinance, arrangement

• अनुवर्तते (anuvartate) - follows, conforms to, continues

Words meanings and morphology

सुप्रियैः (supriyaiḥ) - with very dear ones

(noun)

Instrumental, masculine, plural of supriya

supriya - very dear, beloved, pleasant

Compound type : karmadhāraya (su+priya)

• su – good, well, very
  indeclinable
• priya – dear, beloved, pleasant
  adjective (masculine/feminine/neuter)

विप्रयोगः (viprayogaḥ) - separation, disjunction

(noun)

Nominative, masculine, singular of viprayoga

viprayoga - separation, disjunction, absence, non-union

Prefixes: vi+pra

Root: yuj (class 7)

च (ca) - and

(indeclinable)

सम्प्रयोगः (samprayogaḥ) - association, union

(noun)

Nominative, masculine, singular of samprayoga

samprayoga - union, connection, association, conjunction

Prefixes: sam+pra

Root: yuj (class 7)

तथा (tathā) - and, likewise, thus

(indeclinable)

अप्रियैः (apriyaiḥ) - with unpleasant ones, with enemies

(noun)

Instrumental, masculine, plural of apriya

apriya - unpleasant, disagreeable, enemy, hated

Compound type : nañ-tatpuruṣa (a+priya)

• a – not, non-
  indeclinable
• priya – dear, beloved, pleasant
  adjective (masculine/feminine/neuter)

अर्थानर्थौ (arthānarthau) - gain and loss, profit and misfortune

(noun)

Nominative, masculine, dual of arthānartha

arthānartha - gain and loss, advantage and disadvantage, prosperity and adversity

Compound type : dvandva (artha+anartha)

• artha – gain, wealth, purpose, meaning
  noun (masculine)
• anartha – loss, misfortune, evil
  noun (masculine)
  Prefix: a

सुखं (sukhaṁ) - happiness, pleasure

(noun)

neuter, singular of sukha

sukha - happiness, ease, pleasure, comfort

दुःखं (duḥkhaṁ) - sorrow, suffering

(noun)

neuter, singular of duḥkha

duḥkha - sorrow, pain, suffering, misery

विधानम् (vidhānam) - destiny, ordinance, arrangement

(noun)

neuter, singular of vidhāna

vidhāna - arrangement, ordinance, rule, destiny, fate, creation

From root dhā with vi

Prefix: vi

Root: dhā (class 3)

अनुवर्तते (anuvartate) - follows, conforms to, continues

(verb)

3rd person , singular, middle, present (lat) of anuvṛt

Prefix: anu

Root: vṛt (class 1)