योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-18, verse-58

क्रीडार्थं व्यवहारस्थ एताभिर्हतदृष्टिभिः ।
आमूलमन्तश्छिन्नाभिर्बहिर्विहर हेलया ॥ ५८ ॥

krīḍārthaṃ vyavahārastha etābhirhatadṛṣṭibhiḥ ,
āmūlamantaśchinnābhirbahirvihara helayā 58

58. krīḍārtham vyavahārasthaḥ etābhiḥ hatadṛṣṭibhiḥ
āmulam antaḥ chinnābhiḥ bahiḥ vihara helayā

58. krīḍārtham vyavahārasthaḥ,
hatadṛṣṭibhiḥ āmulam antaḥ chinnābhiḥ etābhiḥ bahiḥ helayā vihara.

58. Engage in worldly activities merely for the sake of play (krīḍārtham). Go forth into the world (bahiḥ) with ease (helayā), having internally cut off these [delusions], whose binding power has been destroyed (hatadṛṣṭibhiḥ) and which have been severed at their very root (āmūlam antaśchinnābhiḥ).

Words meanings summery:

• क्रीडार्थम् (krīḍārtham) - for the sake of play, for sport

• व्यवहारस्थः (vyavahārasthaḥ) - engaged in worldly affairs (without being bound by them) (standing in worldly activity, engaged in affairs)

• एताभिः (etābhiḥ) - by these (delusions/perceptions) (by these)

• हतदृष्टिभिः (hatadṛṣṭibhiḥ) - by those delusions whose binding power or efficacy is destroyed (by those whose sight/vision/power is destroyed)

• आमूलम् (āmūlam) - completely, thoroughly, at its very foundation (to the root, from the root, at the root)

• अन्तः (antaḥ) - internally, from within oneself (inside, within, internally)

• छिन्नाभिः (chinnābhiḥ) - by those (delusions) that have been severed (by those that are cut, severed)

• बहिः (bahiḥ) - in the external world (outside, externally, out of)

• विहर (vihara) - conduct oneself, move about (in the world) (move about, roam, recreate, live)

• हेलया (helayā) - with ease, playfully, effortlessly

Words meanings and morphology

क्रीडार्थम् (krīḍārtham) - for the sake of play, for sport

(indeclinable)

Compound type : tatpurusha (krīḍā+artha)

• krīḍā – play, sport, amusement
  noun (feminine)
  Root: krīḍ (class 1)
• artha – purpose, aim, object; meaning, wealth
  noun (masculine)

Note: Accusative singular neuter of krīḍārtha, used adverbially.

व्यवहारस्थः (vyavahārasthaḥ) - engaged in worldly affairs (without being bound by them) (standing in worldly activity, engaged in affairs)

(adjective)

Nominative, masculine, singular of vyavahārastha

vyavahārastha - standing in business, engaged in affairs; engaged in litigation

Compound type : tatpurusha (vyavahāra+stha)

• vyavahāra – dealings, business, worldly activity, conduct
  noun (masculine)
  Prefixes: vi+ava
  Root: hṛ (class 1)
• stha – standing, staying, situated in
  adjective (masculine)
  Derived from root sthā (to stand)
  Root: sthā (class 1)

Note: Refers to the person who is being addressed (implied 'you').

एताभिः (etābhiḥ) - by these (delusions/perceptions) (by these)

(pronoun)

Instrumental, feminine, plural of etad

etad - this, these

Note: Refers to the implied 'delusions' or 'perceptions' (like mithyādṛśaḥ).

हतदृष्टिभिः (hatadṛṣṭibhiḥ) - by those delusions whose binding power or efficacy is destroyed (by those whose sight/vision/power is destroyed)

(adjective)

Instrumental, feminine, plural of hatadṛṣṭi

hatadṛṣṭi - having lost one's sight; having one's view/perception destroyed

Compound type : bahuvrīhi (hata+dṛṣṭi)

• hata – killed, destroyed, struck, impaired
  adjective (masculine)
  Past Passive Participle
  Derived from root han (to strike, kill)
  Root: han (class 2)
• dṛṣṭi – sight, vision, view, perception, understanding
  noun (feminine)
  Root: dṛś (class 1)

Note: Agrees with 'etābhiḥ'.

आमूलम् (āmūlam) - completely, thoroughly, at its very foundation (to the root, from the root, at the root)

(indeclinable)

Compound type : avyayībhāva (ā+mūla)

• ā – up to, until, completely
  indeclinable
• mūla – root, origin, basis, foundation
  noun (neuter)

Note: Adverbial usage.

अन्तः (antaḥ) - internally, from within oneself (inside, within, internally)

(indeclinable)

Note: Adverb.

छिन्नाभिः (chinnābhiḥ) - by those (delusions) that have been severed (by those that are cut, severed)

(adjective)

Instrumental, feminine, plural of chinna

chinna - cut, severed, divided, destroyed

Past Passive Participle

Derived from root chid (to cut)

Root: chid (class 7)

Note: Agrees with 'etābhiḥ' and 'hatadṛṣṭibhiḥ'.

बहिः (bahiḥ) - in the external world (outside, externally, out of)

(indeclinable)

Note: Adverb.

विहर (vihara) - conduct oneself, move about (in the world) (move about, roam, recreate, live)

(verb)

2nd person , singular, active, imperative (loṭ) of vi-hṛ

Prefix: vi

Root: hṛ (class 1)

Note: "vi" intensifies or gives the sense of roaming, moving about for pleasure.

हेलया (helayā) - with ease, playfully, effortlessly

(noun)

Instrumental, feminine, singular of helā

helā - sport, play, ease, indifference, contempt

Note: Adverbial instrumental.