योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-21, verse-51

अजातपक्षो गरुडः सागराणां च संभवः ।
इत्यादिका याः स्मृतयः स्वल्पातीतजगत्क्रमाः ।
बालैरपि हि तास्तात स्मर्यन्ते तासु को ग्रहः ॥ ५१ ॥

ajātapakṣo garuḍaḥ sāgarāṇāṃ ca saṃbhavaḥ ,
ityādikā yāḥ smṛtayaḥ svalpātītajagatkramāḥ ,
bālairapi hi tāstāta smaryante tāsu ko grahaḥ 51

51. ajātapakṣaḥ garuḍaḥ sāgarāṇām ca
saṃbhavaḥ iti ādikā yāḥ smṛtayaḥ
svalpātītajagatkramāḥ bālaiḥ api hi
tāḥ tāta smaryante tāsu kaḥ grahaḥ

51. ajātapakṣaḥ garuḍaḥ ca sāgarāṇām
saṃbhavaḥ iti ādikā yāḥ svalpātītajagatkramāḥ
smṛtayaḥ tāḥ tāta bālaiḥ
api hi smaryante tāsu kaḥ grahaḥ

51. And the birth of Garuḍa without developed wings, and the origin of the oceans— these and similar traditional accounts (smṛtayaḥ), whose sequence of events transpired in a short time past, are indeed remembered even by children, dear father/child. What is the significance of dwelling on them?

Words meanings summery:

• अजातपक्षः (ajātapakṣaḥ) - referring to Garuḍa (wingless, one whose wings have not grown)

• गरुडः (garuḍaḥ) - Garuḍa (mythical eagle, vehicle of Vishnu)

• सागराणाम् (sāgarāṇām) - of the oceans

• च (ca) - and, also

• संभवः (saṁbhavaḥ) - birth, origin, possibility

• इति (iti) - thus, so, indicates quotation or enumeration

• आदिका (ādikā) - beginning with, and so on, similar

• याः (yāḥ) - which, those which

• स्मृतयः (smṛtayaḥ) - traditional accounts (smṛtayaḥ), memories, traditions

• स्वल्पातीतजगत्क्रमाः (svalpātītajagatkramāḥ) - whose sequence of events passed a short time ago

• बालैः (bālaiḥ) - by children, by the young ones

• अपि (api) - even, also

• हि (hi) - indeed, surely

• ताः (tāḥ) - referring to the traditional accounts (those)

• तात (tāta) - a term of endearment or address (O dear one, father, child)

• स्मर्यन्ते (smaryante) - are remembered

• तासु (tāsu) - among these traditional accounts (in them, among them)

• कः (kaḥ) - what, who

• ग्रहः (grahaḥ) - grasping, seizing, significance, importance

Words meanings and morphology

अजातपक्षः (ajātapakṣaḥ) - referring to Garuḍa (wingless, one whose wings have not grown)

(adjective)

Nominative, masculine, singular of ajātapakṣa

ajātapakṣa - wingless, not having grown wings

Compound type : bahuvrīhi (a+jāta+pakṣa)

• a – not, un-
  indeclinable
  negative prefix
• jāta – born, grown, produced
  adjective
  Past Passive Participle
  from jan + kta
  Root: jan (class 4)
• pakṣa – wing, side, party
  noun (masculine)

Note: Refers to Garuḍa.

गरुडः (garuḍaḥ) - Garuḍa (mythical eagle, vehicle of Vishnu)

(proper noun)

Nominative, masculine, singular of garuḍa

garuḍa - mythical eagle, vehicle of Vishnu

सागराणाम् (sāgarāṇām) - of the oceans

(noun)

Genitive, masculine, plural of sāgara

sāgara - ocean, sea

च (ca) - and, also

(indeclinable)

संभवः (saṁbhavaḥ) - birth, origin, possibility

(noun)

Nominative, masculine, singular of saṃbhava

saṁbhava - birth, origin, production, possibility

verbal noun

from sam-bhū + a

Prefix: sam

Root: bhū (class 1)

Note: Connects with 'garuḍaḥ' and 'sāgarāṇām'.

इति (iti) - thus, so, indicates quotation or enumeration

(indeclinable)

आदिका (ādikā) - beginning with, and so on, similar

(adjective)

Nominative, feminine, plural of ādika

ādika - beginning with, and so on, similar

from ādi + ka

Note: Agrees with 'smṛtayaḥ'.

याः (yāḥ) - which, those which

(pronoun)

Nominative, feminine, plural of yad

yad - which, what

Note: Refers to 'smṛtayaḥ'.

स्मृतयः (smṛtayaḥ) - traditional accounts (smṛtayaḥ), memories, traditions

(noun)

Nominative, feminine, plural of smṛti

smṛti - memory, tradition, sacred tradition, law codes

verbal noun

from smṛ + kti

Root: smṛ (class 1)

Note: The subject of the sentence.

स्वल्पातीतजगत्क्रमाः (svalpātītajagatkramāḥ) - whose sequence of events passed a short time ago

(adjective)

Nominative, feminine, plural of svalpātītajagatkrama

svalpātītajagatkrama - having a sequence of events that passed a short time ago

Compound type : bahuvrīhi (su+alpa+atīta+jagat+krama)

• su – good, well, very
  indeclinable
  intensifier
• alpa – little, small, short
  adjective
• atīta
  adjective
  Past Passive Participle
  from ati-i + kta
  Prefix: ati
  Root: i (class 2)
• jagat
  noun (neuter)
  Root: gam (class 1)
• krama
  noun (masculine)
  Root: kram (class 1)

Note: Adjective for 'smṛtayaḥ'.

बालैः (bālaiḥ) - by children, by the young ones

(noun)

Instrumental, masculine, plural of bāla

bāla - child, young

Note: Agent of passive verb 'smaryante'.

अपि (api) - even, also

(indeclinable)

हि (hi) - indeed, surely

(indeclinable)

ताः (tāḥ) - referring to the traditional accounts (those)

(pronoun)

Nominative, feminine, plural of tad

tad - that, those

Note: Refers to 'smṛtayaḥ'.

तात (tāta) - a term of endearment or address (O dear one, father, child)

(noun)

Vocative, masculine, singular of tāta

tāta - father, son, dear one (term of endearment)

vocative

स्मर्यन्ते (smaryante) - are remembered

(verb)

3rd person , plural, passive, present (laṭ) of smṛ

passive voice, present tense

Root: smṛ (class 1)

तासु (tāsu) - among these traditional accounts (in them, among them)

(pronoun)

Locative, feminine, plural of tad

tad - that, those

Note: Refers to 'smṛtayaḥ'.

कः (kaḥ) - what, who

(pronoun)

Nominative, masculine, singular of kim

kim - what, who, which

ग्रहः (grahaḥ) - grasping, seizing, significance, importance

(noun)

Nominative, masculine, singular of graha

graha - seizing, grasping, understanding, importance

verbal noun

from grah + a

Root: grah (class 9)

Note: The subject of the question.