योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-24, verse-9

कण्टकद्रुमवल्लीव करालकुटिला मतिः ।
आयुरायासशालिन्या यामिन्येव तमोन्धया ॥ ९ ॥

kaṇṭakadrumavallīva karālakuṭilā matiḥ ,
āyurāyāsaśālinyā yāminyeva tamondhayā 9

9. kaṇṭakadrumavallī iva karālakuṭilā matiḥ
āyurāyāsaśālinyā yāminyā iva tamōndhayā

9. matiḥ karālakuṭilā kaṇṭakadrumavallī iva
tamōndhayā āyurāyāsaśālinyā yāminyā iva

9. The intellect (matiḥ) is terrifyingly crooked and complex, like a thorny vine. It is also like a night, blinded by darkness and filled with the weariness and struggle of life.

Words meanings summery:

• कण्टकद्रुमवल्ली (kaṇṭakadrumavallī) - a creeper on thorny trees

• इव (iva) - like, as if, similar to

• करालकुटिला (karālakuṭilā) - terrifyingly crooked, frightfully complex

• मतिः (matiḥ) - intellect, mind, thought, understanding

• आयुरायासशालिन्या (āyurāyāsaśālinyā) - by a night that is characterized by the effort and fatigue of life (by that which possesses the weariness/struggle of life)

• यामिन्या (yāminyā) - by the night

• इव (iva) - like, as if, similar to

• तम्ओन्धया (tamōndhayā) - by a night that is dark and obscuring (by that which is blinded by darkness)

Words meanings and morphology

कण्टकद्रुमवल्ली (kaṇṭakadrumavallī) - a creeper on thorny trees

(noun)

Nominative, feminine, singular of kaṇṭakadrumavallī

kaṇṭakadrumavallī - creeper of thorny trees

Compound type : tatpuruṣa (kaṇṭakadruma+vallī)

• kaṇṭaka – thorn, prickle
  noun (masculine)
• druma – tree, wood
  noun (masculine)
• vallī – creeper, vine
  noun (feminine)

इव (iva) - like, as if, similar to

(indeclinable)

करालकुटिला (karālakuṭilā) - terrifyingly crooked, frightfully complex

(adjective)

Nominative, feminine, singular of karālakuṭilā

karālakuṭila - terrifyingly crooked, frightfully complex

Compound type : tatpuruṣa (karāla+kuṭila)

• karāla – terrifying, dreadful, formidable
  adjective (masculine)
• kuṭila – crooked, bent, dishonest, intricate
  adjective (masculine)

Note: Modifies 'matiḥ'

मतिः (matiḥ) - intellect, mind, thought, understanding

(noun)

Nominative, feminine, singular of mati

mati - mind, intellect, thought, understanding, intention, opinion

Root: man (class 4)

आयुरायासशालिन्या (āyurāyāsaśālinyā) - by a night that is characterized by the effort and fatigue of life (by that which possesses the weariness/struggle of life)

(adjective)

Instrumental, feminine, singular of āyurāyāsaśālinī

āyurāyāsaśālinī - possessing the effort/fatigue of life

Compound type : bahuvrīhi/tatpuruṣa (āyus+āyāsa+śālinī)

• āyus – life, vitality, duration of life
  noun (neuter)
• āyāsa – effort, fatigue, toil, struggle
  noun (masculine)
  Prefix: ā
  Root: yam (class 1)
• śālinī – possessing, endowed with, characterized by (feminine)
  adjective (feminine)
  Derived from śālin (possessing)

Note: Modifies 'yāminyā'

यामिन्या (yāminyā) - by the night

(noun)

Instrumental, feminine, singular of yāminī

yāminī - night

इव (iva) - like, as if, similar to

(indeclinable)

तम्ओन्धया (tamōndhayā) - by a night that is dark and obscuring (by that which is blinded by darkness)

(adjective)

Instrumental, feminine, singular of tamōndhā

tamōndha - blinded by darkness

Compound type : tatpuruṣa (tamas+andhā)

• tamas – darkness, ignorance, gloom
  noun (neuter)
• andhā – blind, blinded (feminine)
  adjective (feminine)
  Root: andh (class 1)

Note: Modifies 'yāminyā'