योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-98, verse-31

कष्टं पुनःपुनस्तुष्टः पुनः प्रहरति स्वयम् ।
एवंप्रायनिजाचारश्चिरमालोक्य सस्मयम् ॥ ३१ ॥

kaṣṭaṃ punaḥpunastuṣṭaḥ punaḥ praharati svayam ,
evaṃprāyanijācāraściramālokya sasmayam 31

31. kaṣṭam punaḥ punaḥ tuṣṭaḥ punaḥ praharati
svayam evamprāyanijācāraḥ ciram ālokya sasmayam

31. kaṣṭam (asti).
punaḥ punaḥ tuṣṭaḥ (api saḥ) svayam punaḥ praharati.
evamprāyanijācāraḥ (tasya) ciram sasmayam ālokya.
.
.

31. Alas! Again and again, despite suffering, even when content, he himself strikes. Having observed for a long time, with wonder, his characteristic behavior, which is mostly like this...

Words meanings summery:

• कष्टम् (kaṣṭam) - alas!, woe!; suffering, difficulty

• पुनः (punaḥ) - again, further, moreover

• पुनः (punaḥ) - again, further, moreover

• तुष्टः (tuṣṭaḥ) - satisfied, content, pleased

• पुनः (punaḥ) - again, further, moreover

• प्रहरति (praharati) - strikes, attacks, hits

• स्वयम् (svayam) - oneself, by oneself, himself

• एवम्प्रायनिजाचारः (evamprāyanijācāraḥ) - whose characteristic behavior is mostly like this, one whose conduct is such

• चिरम् (ciram) - for a long time, long

• आलोक्य (ālokya) - having seen, having observed, having perceived

• सस्मयम् (sasmayam) - with wonder, with a smile, surprisingly

Words meanings and morphology

कष्टम् (kaṣṭam) - alas!, woe!; suffering, difficulty

(indeclinable)

पुनः (punaḥ) - again, further, moreover

(indeclinable)

पुनः (punaḥ) - again, further, moreover

(indeclinable)

तुष्टः (tuṣṭaḥ) - satisfied, content, pleased

(adjective)

Nominative, masculine, singular of tuṣṭa

tuṣṭa - satisfied, pleased, content, gratified

Past Passive Participle

Derived from the root √tuṣ

Root: √tuṣ (class 4)

पुनः (punaḥ) - again, further, moreover

(indeclinable)

प्रहरति (praharati) - strikes, attacks, hits

(verb)

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

Prefix: pra

Root: √hṛ (class 1)

स्वयम् (svayam) - oneself, by oneself, himself

(indeclinable)

Adverbial use of pronominal base

एवम्प्रायनिजाचारः (evamprāyanijācāraḥ) - whose characteristic behavior is mostly like this, one whose conduct is such

(adjective)

Nominative, masculine, singular of evamprāyanijācāra

evamprāyanijācāra - whose characteristic behavior is mostly like this, one whose conduct is of such a nature

Compound type : bahuvrīhi (evamprāya+nija+ācāra)

• evamprāya – mostly so, of such a kind
  adjective (masculine)
• nija – one's own, innate, natural
  adjective (masculine)
• ācāra – conduct, behavior, custom, practice
  noun (masculine)

चिरम् (ciram) - for a long time, long

(indeclinable)

आलोक्य (ālokya) - having seen, having observed, having perceived

(indeclinable)

Absolutive (Gerund)

Derived from the root √lok with prefix ā

Prefix: ā

Root: √lok (class 10)

सस्मयम् (sasmayam) - with wonder, with a smile, surprisingly

(indeclinable)

Compound type : avyayībhāva (sa+smaya)

• sa – with, accompanied by
  indeclinable
• smaya – wonder, astonishment, smile
  noun (masculine)
  Root: √smi (class 1)