योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-58, verse-31

स्वेनैव मनसा स्वानि स्वशरीरगतानि च ।
विचारयेन्द्रियाण्यन्तः कीदृशान्यथ कानि च ॥ ३१ ॥

svenaiva manasā svāni svaśarīragatāni ca ,
vicārayendriyāṇyantaḥ kīdṛśānyatha kāni ca 31

31. svena eva manasā svāni svaśarīragatāni ca
vicārayet indriyāṇi antaḥ kīdṛśāni atha kāni ca

31. svena eva manasā antaḥ svāni svaśarīragatāni
indriyāṇi ca vicārayet kīdṛśāni atha kāni ca

31. One should analyze internally, with one's own mind (manas), what kind of senses (indriya) are one's own and situated in one's own body, and what exactly they are.

Words meanings summery:

• स्वेन (svena) - by one's own, by self

• एव (eva) - alone, only, indeed

• मनसा (manasā) - by the mind, with the mind

• स्वानि (svāni) - one's own (plural)

• स्वशरीरगतानि (svaśarīragatāni) - situated in one's own body

• च (ca) - and, also

• विचारयेत् (vicārayet) - one should consider, one should investigate, one should analyze

• इन्द्रियाणि (indriyāṇi) - senses, sense organs

• अन्तः (antaḥ) - within, internally, inside

• कीदृशानि (kīdṛśāni) - of what kind, what sort (plural)

• अथ (atha) - and, then, now, moreover

• कानि (kāni) - what (plural)

• च (ca) - and, also

Words meanings and morphology

स्वेन (svena) - by one's own, by self

(pronoun)

Instrumental, masculine, singular of sva

sva - own, self

एव (eva) - alone, only, indeed

(indeclinable)

मनसा (manasā) - by the mind, with the mind

(noun)

Instrumental, neuter, singular of manas

manas - mind, intellect, thought, understanding

Root: man (class 4)

स्वानि (svāni) - one's own (plural)

(pronoun)

Nominative, neuter, plural of sva

sva - own, self

स्वशरीरगतानि (svaśarīragatāni) - situated in one's own body

(adjective)

Nominative, neuter, plural of svaśarīragata

svaśarīragata - situated in one's own body

Compound type : tatpuruṣa (sva+śarīra+gata)

• sva – own, self
  pronoun
• śarīra – body
  noun (neuter)
• gata – gone, arrived, situated, being in
  adjective (neuter)
  Past Passive Participle
  Derived from the root 'gam' (to go)
  Root: gam (class 1)

च (ca) - and, also

(indeclinable)

विचारयेत् (vicārayet) - one should consider, one should investigate, one should analyze

(verb)

3rd person , singular, active, optative (vidhiliṅ) of vi-car

Prefix: vi

Root: car (class 1)

इन्द्रियाणि (indriyāṇi) - senses, sense organs

(noun)

Nominative, neuter, plural of indriya

indriya - sense, sense organ, faculty

अन्तः (antaḥ) - within, internally, inside

(indeclinable)

कीदृशानि (kīdṛśāni) - of what kind, what sort (plural)

(adjective)

Nominative, neuter, plural of kīdṛś

kīdṛś - of what kind, what sort, how

अथ (atha) - and, then, now, moreover

(indeclinable)

कानि (kāni) - what (plural)

(pronoun)

Nominative, neuter, plural of kim

kim - what, which, who

च (ca) - and, also

(indeclinable)