योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-166, verse-25

आकाशनाम्नी तत्रास्ति लेखा वैपुल्यशालिनी ।
उपलेखाश्च सन्त्यस्या मध्ये चन्द्रार्कनामिकाः ॥ २५ ॥

ākāśanāmnī tatrāsti lekhā vaipulyaśālinī ,
upalekhāśca santyasyā madhye candrārkanāmikāḥ 25

25. ākāśanāmnī tatra asti lekhā vaipulyaśālinī
upalekhāḥ ca santi asyāḥ madhye candrārkanāmikāḥ

25. tatra ākāśanāmnī vaipulyaśālinī lekhā asti
asyāḥ madhye candrārkanāmikāḥ upalekhāḥ ca santi

25. There is a wide, extensive line named Akasha (Space). Within it, there are also sub-lines named after the Moon and the Sun.

Words meanings summery:

• आकाशनाम्नी (ākāśanāmnī) - named Akasha, having the name Akasha, named space/ether

• तत्र (tatra) - there, in that place

• अस्ति (asti) - is, exists

• लेखा (lekhā) - line, streak, groove, writing

• वैपुल्यशालिनी (vaipulyaśālinī) - possessing vastness, extensive, wide

• उपलेखाः (upalekhāḥ) - sub-lines, minor lines

• च (ca) - and, also

• सन्ति (santi) - are, exist

• अस्याः (asyāḥ) - of this, its

• मध्ये (madhye) - in the middle, within

• चन्द्रार्कनामिकाः (candrārkanāmikāḥ) - named Moon and Sun, having Moon and Sun as names

Words meanings and morphology

आकाशनाम्नी (ākāśanāmnī) - named Akasha, having the name Akasha, named space/ether

(adjective)

Nominative, feminine, singular of ākāśanāman

ākāśanāman - having the name Akasha, named space/ether

compound of ākāśa and nāman, referring to a line named Akasha

Compound type : bahuvrīhi (ākāśa+nāman)

• ākāśa – space, ether, sky
  noun (masculine)
  Prefix: ā
  Root: kāś (class 1)
• nāman – name
  noun (neuter)

तत्र (tatra) - there, in that place

(indeclinable)

अस्ति (asti) - is, exists

(verb)

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

Present active indicative

From root as, Parasmaipada, 2nd conjugation

Root: as (class 2)

लेखा (lekhā) - line, streak, groove, writing

(noun)

Nominative, feminine, singular of lekhā

lekhā - line, streak, groove, writing

From root likh (to scratch, write)

Root: likh (class 6)

वैपुल्यशालिनी (vaipulyaśālinī) - possessing vastness, extensive, wide

(adjective)

Nominative, feminine, singular of vaipulyaśālin

vaipulyaśālin - possessing vastness, extensive, wide

Compound of vaipulya (vastness) and śālin (possessing).

Compound type : tatpuruṣa (vaipulya+śālin)

• vaipulya – vastness, amplitude, extensiveness
  noun (neuter)
  Derived from vipula (vast, extensive) + ṣyaÑ suffix
• śālin – possessing, endowed with, having
  adjective (masculine)
  Suff śālin

उपलेखाः (upalekhāḥ) - sub-lines, minor lines

(noun)

Nominative, feminine, plural of upalekhā

upalekhā - sub-line, minor line

Compound of upa (secondary, minor) and lekhā (line).

Compound type : tatpuruṣa (upa+lekhā)

• upa – near, under, subordinate, secondary
  indeclinable
• lekhā – line, streak
  noun (feminine)
  Root: likh (class 6)

च (ca) - and, also

(indeclinable)

सन्ति (santi) - are, exist

(verb)

3rd person , plural, active, present (laṭ) of as

Present active indicative

From root as, Parasmaipada, 2nd conjugation

Root: as (class 2)

अस्याः (asyāḥ) - of this, its

(pronoun)

Genitive, feminine, singular of idam

idam - this, this one

मध्ये (madhye) - in the middle, within

(noun)

Locative, neuter, singular of madhya

madhya - middle, center, amidst

From root madh (to rejoice) or related to pra-mad (to be negligent).

चन्द्रार्कनामिकाः (candrārkanāmikāḥ) - named Moon and Sun, having Moon and Sun as names

(adjective)

Nominative, feminine, plural of candrārkanāmikā

candrārkanāmikā - named Moon and Sun

Compound of candra, arka, and nāmikā (derived from nāman with kā suffix, signifying "named").

Compound type : bahuvrīhi (candra+arka+nāmikā)

• candra – moon
  noun (masculine)
  Root: cand (class 1)
• arka – sun, ray
  noun (masculine)
  Root: arc (class 1)
• nāmikā – named
  adjective (feminine)
  Derived from nāman (name) with -ika suffix for relation/possession, then feminine -ā