योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-41, verse-20

अविश्रान्ततया यत्र तनुविद्यैर्मुमुक्षुभिः ।
विचित्रशुद्धमननकलङ्ककलितात्मभिः ॥ २० ॥

aviśrāntatayā yatra tanuvidyairmumukṣubhiḥ ,
vicitraśuddhamananakalaṅkakalitātmabhiḥ 20

20. aviśrāntatayā yatra tanuvidyaiḥ mumukṣubhiḥ
vicitraśuddhamananakalaṅkakalitātmabhiḥ

20. yatra aviśrāntatayā tanuvidyaiḥ mumukṣubhiḥ
vicitraśuddhamananakalaṅkakalitātmabhiḥ

20. Where, without ceasing, by seekers of liberation (mokṣa) who possess meager knowledge, and whose selves (ātman) are adorned with the unique characteristic of various pure reflections...

Words meanings summery:

• अविश्रान्ततया (aviśrāntatayā) - by unceasingness, without resting

• यत्र (yatra) - where, in which place

• तनुविद्यैः (tanuvidyaiḥ) - by those with meager knowledge

• मुमुक्षुभिः (mumukṣubhiḥ) - by seekers of liberation (mokṣa)

• विचित्रशुद्धमननकलङ्ककलितात्मभिः (vicitraśuddhamananakalaṅkakalitātmabhiḥ) - by those whose selves (ātman) are marked by diverse pure reflections

Words meanings and morphology

अविश्रान्ततया (aviśrāntatayā) - by unceasingness, without resting

(noun)

Instrumental, feminine, singular of aviśrāntatā

aviśrāntatā - unceasingness, restlessness

Compound type : nañ-tatpuruṣa (a+viśrānta+tā)

• a – not, un-
  indeclinable
• viśrānta – rested, ceased
  adjective
  Past Passive Participle
  Prefix: vi
  Root: śram (class 4)
• tā – suffix forming feminine abstract nouns (-ness, -hood)
  suffix (feminine)

यत्र (yatra) - where, in which place

(indeclinable)

तनुविद्यैः (tanuvidyaiḥ) - by those with meager knowledge

(adjective)

Instrumental, masculine, plural of tanuvidya

tanuvidya - having meager knowledge

Compound type : bahuvrīhi (tanu+vidyā)

• tanu – small, meager, slender
  adjective
• vidyā – knowledge, learning
  noun (feminine)
  Root: vid (class 2)

मुमुक्षुभिः (mumukṣubhiḥ) - by seekers of liberation (mokṣa)

(noun)

Instrumental, masculine, plural of mumukṣu

mumukṣu - desirous of liberation, seeker of mokṣa

Desiderative noun/adjective

derived from muc (to free) + desiderative suffix san + u

Root: muc (class 6)

विचित्रशुद्धमननकलङ्ककलितात्मभिः (vicitraśuddhamananakalaṅkakalitātmabhiḥ) - by those whose selves (ātman) are marked by diverse pure reflections

(adjective)

Instrumental, masculine, plural of vicitraśuddhamananakalaṅkakalitātman

vicitraśuddhamananakalaṅkakalitātman - having the self marked by diverse pure reflections

Compound type : bahuvrīhi (vicitra+śuddha+manana+kalaṅka+kalita+ātman)

• vicitra – variegated, diverse, wonderful
  adjective
• śuddha – pure, clean, clear
  adjective
  Past Passive Participle
  Root: śudh (class 4)
• manana – reflection, contemplation, thought
  noun (neuter)
  Root: man (class 4)
• kalaṅka – mark, spot, stain, blemish
  noun (masculine)
• kalita – endowed with, possessed of, marked
  adjective
  Past Passive Participle
  Root: kal (class 1)
• ātman – self, soul, spirit, ātman
  noun (masculine)