महाभारतः mahābhārataḥ - book-12, chapter-123, verse-3

भीष्म उवाच ।
यदा ते स्युः सुमनसो लोकसंस्थार्थनिश्चये ।
कालप्रभवसंस्थासु सज्जन्ते च त्रयस्तदा ॥३॥

3. bhīṣma uvāca ,
yadā te syuḥ sumanaso lokasaṁsthārthaniścaye ,
kālaprabhavasaṁsthāsu sajjante ca trayastadā.

3. bhīṣmaḥ uvāca yadā te syuḥ sumanasaḥ loka-saṃsthā-artha-niścaye
kāla-prabhava-saṃsthāsu sajjante ca trayaḥ tadā

3. bhīṣmaḥ uvāca yadā te sumanasaḥ loka-saṃsthā-artha-niścaye
syuḥ tadā trayaḥ ca kāla-prabhava-saṃsthāsu sajjante

3. Bhishma said: When people, being of good mind, come to a firm determination regarding the purpose of the world's established order, then these three (natural law, prosperity, and desire) become connected within the systems that arise through time.

Words meanings summery:

• भीष्मः (bhīṣmaḥ) - Bhishma

• उवाच (uvāca) - said, spoke

• यदा (yadā) - when

• ते (te) - Refers to 'sumanasaḥ' (good-minded people). (they)

• स्युः (syuḥ) - may be, should be, become

• सुमनसः (sumanasaḥ) - good-minded, benevolent, intelligent

• लोक-संस्था-अर्थ-निश्चये (loka-saṁsthā-artha-niścaye) - in the firm determination regarding the purpose of the world's established order

• काल-प्रभव-संस्थासु (kāla-prabhava-saṁsthāsu) - in the established orders/systems originating from time

• सज्जन्ते (sajjante) - they become connected, they attach themselves

• च (ca) - and, also

• त्रयः (trayaḥ) - Refers to dharma, artha, and kāma. (the three)

• तदा (tadā) - then, at that time

Words meanings and morphology

भीष्मः (bhīṣmaḥ) - Bhishma

(proper noun)

Nominative, masculine, singular of bhīṣma

bhīṣma - Bhishma (proper name), terrible, formidable

Root: bhīṣ

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

perfect tense

Irregular perfect tense form of 'vac'.

Root: vac (class 2)

यदा (yadā) - when

(indeclinable)

ते (te) - Refers to 'sumanasaḥ' (good-minded people). (they)

(pronoun)

Nominative, masculine, plural of tad

tad - that, he, she, it

स्युः (syuḥ) - may be, should be, become

(verb)

3rd person , plural, active, optative (liṅ) of as

optative mood

Present optative, 3rd person plural.

Root: as (class 2)

सुमनसः (sumanasaḥ) - good-minded, benevolent, intelligent

(adjective)

Nominative, masculine, plural of sumanas

sumanas - good-minded, cheerful, intelligent, benevolent

Formed from 'su' (good) + 'manas' (mind).

Compound type : bahuvrīhi (su+manas)

• su – good, well, excellent
  indeclinable
• manas – mind, intellect, thought
  noun (neuter)
  Root: man (class 4)

Note: Modifies 'te'.

लोक-संस्था-अर्थ-निश्चये (loka-saṁsthā-artha-niścaye) - in the firm determination regarding the purpose of the world's established order

(noun)

Locative, masculine, singular of loka-saṃsthā-artha-niścaya

loka-saṁsthā-artha-niścaya - firm determination regarding the purpose of the world's order

Compound type : tatpuruṣa (loka-saṃsthā+artha+niścaya)

• loka – world, people, universe
  noun (masculine)
• saṃsthā – established order, institution, arrangement, state
  noun (feminine)
  Derived from 'sam' + 'sthā' (to stand).
  Prefix: sam
  Root: sthā (class 1)
• artha – purpose, meaning, object, wealth
  noun (masculine)
• niścaya – determination, certainty, conviction
  noun (masculine)
  Derived from 'ni' + 'ci' (to gather) with suffix 'aya'.
  Prefix: ni
  Root: ci (class 5)

काल-प्रभव-संस्थासु (kāla-prabhava-saṁsthāsu) - in the established orders/systems originating from time

(noun)

Locative, feminine, plural of kāla-prabhava-saṃsthā

kāla-prabhava-saṁsthā - established order/system originating from time

Compound type : tatpuruṣa (kāla-prabhava+saṃsthā)

• kāla – time, period, epoch
  noun (masculine)
• prabhava – origin, source, birth, power
  noun (masculine)
  Derived from pra- + bhū (to be, to arise).
  Prefix: pra
  Root: bhū (class 1)
• saṃsthā – established order, institution, arrangement, state
  noun (feminine)
  Derived from 'sam' + 'sthā' (to stand).
  Prefix: sam
  Root: sthā (class 1)

सज्जन्ते (sajjante) - they become connected, they attach themselves

(verb)

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

present tense

Derived from root 'sañj' (to cling).

Root: sañj (class 1)

च (ca) - and, also

(indeclinable)

Note: Conjunction.

त्रयः (trayaḥ) - Refers to dharma, artha, and kāma. (the three)

(numeral)

Note: Masculine nominative plural.

तदा (tadā) - then, at that time

(indeclinable)