योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-9, verse-8

पुरुषार्थस्य सिद्धस्य शुभाशुभफलोदये ।
इदमित्थं स्थितमिति योक्तिस्तद्दैवमुच्यते ॥ ८ ॥

puruṣārthasya siddhasya śubhāśubhaphalodaye ,
idamitthaṃ sthitamiti yoktistaddaivamucyate 8

8. puruṣārthasya siddhasya śubhāśubhaphallodaye idam
ittham sthitam iti yaḥ uktiḥ tat daivam ucyate

8. puruṣārthasya siddhasya śubhāśubhaphallodaye idam
ittham sthitam iti yaḥ uktiḥ tat daivam ucyate

8. When, regarding the successful outcome of human endeavor (puruṣārtha), at the emergence of results, whether good or bad, the statement is made, 'This is fixed in this manner,' that is called fate (daiva).

Words meanings summery:

• पुरुषार्थस्य (puruṣārthasya) - of human endeavor, of a human aim, of life's purpose

• सिद्धस्य (siddhasya) - of that which is accomplished, of the achieved, of the perfected

• शुभाशुभफल्लोदये (śubhāśubhaphallodaye) - at the occurrence of auspicious and inauspicious results, at the rise of good and bad consequences

• इदम् (idam) - this

• इत्थम् (ittham) - thus, in this manner, so

• स्थितम् (sthitam) - standing, situated, fixed, established

• इति (iti) - thus, so (quotative particle)

• यः (yaḥ) - who, which, that

• उक्तिः (uktiḥ) - statement, saying, speech

• तत् (tat) - that, that one

• दैवम् (daivam) - fate, destiny, divine, relating to gods

• उच्यते (ucyate) - is said, is called, is declared

Words meanings and morphology

पुरुषार्थस्य (puruṣārthasya) - of human endeavor, of a human aim, of life's purpose

(noun)

Genitive, masculine, singular of puruṣārtha

puruṣārtha - human aim or purpose; one of the four aims of human life (dharma, artha, kama, mokṣa)

Compound type : tatpurusha (puruṣa+artha)

• puruṣa – man, person, male, the supreme cosmic person (puruṣa)
  noun (masculine)
• artha – purpose, aim, meaning, wealth, object
  noun (masculine)

सिद्धस्य (siddhasya) - of that which is accomplished, of the achieved, of the perfected

(adjective)

Genitive, masculine, singular of siddha

siddha - accomplished, achieved, perfected, proved, successful

Past Passive Participle

From root sidh (to succeed, accomplish)

Root: sidh (class 4)

Note: Can also be used as a noun meaning 'a perfected being'. Here likely adjectival qualifying puruṣārthasya.

शुभाशुभफल्लोदये (śubhāśubhaphallodaye) - at the occurrence of auspicious and inauspicious results, at the rise of good and bad consequences

(noun)

Locative, masculine, singular of śubhāśubhaphallodaya

śubhāśubhaphallodaya - occurrence of good and bad results

Compound type : tatpurusha (śubhāśubha+phala+udaya)

• śubhāśubha – good and bad, auspicious and inauspicious
  adjective (masculine)
  Dvanda compound of śubha and aśubha
• phala – fruit, result, consequence
  noun (neuter)
• udaya – rising, appearance, occurrence, beginning
  noun (masculine)
  From root ud-i (to rise)
  Prefix: ud
  Root: i (class 2)

Note: The 'a' in phala and 'u' in udaya combine by guṇa sandhi to 'o' in the compound.

इदम् (idam) - this

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one

Note: Can also be accusative singular neuter.

इत्थम् (ittham) - thus, in this manner, so

(indeclinable)

स्थितम् (sthitam) - standing, situated, fixed, established

(adjective)

Nominative, neuter, singular of sthita

sthita - standing, situated, fixed, established, existing

Past Passive Participle

From root sthā (to stand)

Root: sthā (class 1)

Note: Can also be nominative/accusative singular neuter. Here as part of the statement, it's nominative.

इति (iti) - thus, so (quotative particle)

(indeclinable)

यः (yaḥ) - who, which, that

(pronoun)

Nominative, masculine, singular of yad

yad - which, that, who, what

Note: The source Devanagari `योक्तिः` implies `yaḥ uktiḥ` through sandhi.

उक्तिः (uktiḥ) - statement, saying, speech

(noun)

Nominative, feminine, singular of ukti

ukti - statement, speech, saying, expression

From root vac (to speak) + ktin suffix

Root: vac (class 2)

तत् (tat) - that, that one

(pronoun)

Nominative, neuter, singular of tad

tad - that, that one, it

Note: Refers to the `uktiḥ`.

दैवम् (daivam) - fate, destiny, divine, relating to gods

(noun)

Nominative, neuter, singular of daiva

daiva - fate, destiny, divine, pertaining to gods, an act of God

From devá (god) + aṇ (taddhita suffix)

Note: As an adjective, it can be masculine, feminine or neuter. Here used as a neuter noun.

उच्यते (ucyate) - is said, is called, is declared

(verb)

3rd person , singular, passive, present (laṭ) of ucyate

Passive form of root vac (to speak)

Root: vac (class 2)