योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-27, verse-12

अप्यन्तरस्थं गिरिशैलभित्तेर्वज्रालयाभ्यन्तरसंस्थितं वा ।
सर्वं समायान्ति ससिद्धिवेगाः सर्वाः श्रियः सन्ततमापदश्च ॥ १२ ॥

apyantarasthaṃ giriśailabhittervajrālayābhyantarasaṃsthitaṃ vā ,
sarvaṃ samāyānti sasiddhivegāḥ sarvāḥ śriyaḥ santatamāpadaśca 12

12. api antarastham giriśailabhitteḥ
vajrālayābhyantarasaṃsthitam vā
sarvam samāyānti sasiddhivegāḥ
sarvāḥ śriyaḥ santatam āpadaḥ ca

12. api giriśailabhitteḥ antarastham vā vajrālayābhyantarasaṃsthitam (sat api),
sasiddhivegāḥ sarvāḥ śriyaḥ ca āpadaḥ santatam sarvam samāyānti.

12. Even if something is situated within a mountain-rock wall or located inside a diamond palace, all fortunes (śrī) and all calamities constantly arrive, completely and with the speed of accomplishment.

Words meanings summery:

• अपि (api) - even if, even, also

• अन्तरस्थम् (antarastham) - refers to 'something' implicitly (a fortune or calamity) that is hidden away. (situated within, internal)

• गिरिशैलभित्तेः (giriśailabhitteḥ) - of a mountain-rock wall

• वज्रालयाभ्यन्तरसंस्थितम् (vajrālayābhyantarasaṁsthitam) - situated within a diamond abode/fortress

• वा (vā) - or, either

• सर्वम् (sarvam) - Adverbial, meaning 'completely' or 'in every way'. (completely, entirely, all)

• समायान्ति (samāyānti) - they come together, they approach, they arrive

• ससिद्धिवेगाः (sasiddhivegāḥ) - with the speed of accomplishment/success, accompanied by swift success

• सर्वाः (sarvāḥ) - all, every (feminine plural)

• श्रियः (śriyaḥ) - fortunes, prosperities, beauties

• सन्ततम् (santatam) - constantly, continuously, perpetually

• आपदः (āpadaḥ) - calamities, misfortunes, dangers

• च (ca) - and, also

Words meanings and morphology

अपि (api) - even if, even, also

(indeclinable)

Note: Indicates emphasis or condition.

अन्तरस्थम् (antarastham) - refers to 'something' implicitly (a fortune or calamity) that is hidden away. (situated within, internal)

(adjective)

Accusative, neuter, singular of antarastha

antarastha - situated within, existing inside

antara (interior) + stha (standing).

Compound type : tatpuruṣa (antara+stha)

• antara – interior, inside, interval
  noun (neuter)
• stha – standing, situated, existing
  adjective (masculine)
  Derived from √sthā (to stand).
  Root: sthā (class 1)

Note: Adverbial usage or refers to an implicit noun.

गिरिशैलभित्तेः (giriśailabhitteḥ) - of a mountain-rock wall

(noun)

Genitive, feminine, singular of giriśailabhitti

giriśailabhitti - wall of mountain rock

Compound.

Compound type : tatpuruṣa (giri+śaila+bhitti)

• giri – mountain, hill
  noun (masculine)
  From √gṝ (to swallow) or √gil (to swallow).
• śaila – rock, stone, mountain (adj.)
  noun (masculine)
  From śilā (rock) or śila (mountain).
• bhitti – wall, partition, breaking
  noun (feminine)
  From √bhid (to break).
  Root: bhid (class 7)

Note: Possessive of antarastham.

वज्रालयाभ्यन्तरसंस्थितम् (vajrālayābhyantarasaṁsthitam) - situated within a diamond abode/fortress

(adjective)

Accusative, neuter, singular of vajrālayābhyantarasaṃsthita

vajrālayābhyantarasaṁsthita - situated within a diamond abode/fortress

Compound.

Compound type : tatpuruṣa (vajra+ālaya+abhyantara+saṃsthita)

• vajra – diamond, thunderbolt, hard
  noun (neuter)
  Root: vaj (class 1)
• ālaya – abode, dwelling, house, receptacle
  noun (masculine)
  ā + √lī (to cling).
  Prefix: ā
  Root: lī (class 4)
• abhyantara – interior, inner part, inside
  noun (neuter)
  abhi + antara.
  Prefix: abhi
• saṃsthita – situated, standing, placed, existing
  adjective (masculine)
  Past Passive Participle
  From sam + √sthā (to stand).
  Prefix: sam
  Root: sthā (class 1)

Note: Adverbial usage or refers to an implicit noun.

वा (vā) - or, either

(indeclinable)

Note: Connects alternative conditions.

सर्वम् (sarvam) - Adverbial, meaning 'completely' or 'in every way'. (completely, entirely, all)

(indeclinable)

Note: Adverbial accusative, modifying samāyānti.

समायान्ति (samāyānti) - they come together, they approach, they arrive

(verb)

3rd person , plural, active, present (laṭ) of sam-ā-√yā

Present tense, active voice.

Root yā (2nd class) with prefixes sam and ā.

Prefixes: sam+ā

Root: yā (class 2)

ससिद्धिवेगाः (sasiddhivegāḥ) - with the speed of accomplishment/success, accompanied by swift success

(adjective)

Nominative, feminine, plural of sasiddhivega

sasiddhivega - with the speed of accomplishment/success

Compound.

Compound type : bahuvrīhi (sa+siddhi+vega)

• sa – with, accompanied by
  indeclinable
  Adverbial prefix.
• siddhi – accomplishment, success, perfection, supernatural power
  noun (feminine)
  From √sidh (to succeed).
  Root: sidh (class 4)
• vega – speed, velocity, force, impulse
  noun (masculine)
  From √vij (to move rapidly).
  Root: vij (class 6)

Note: Qualifies śriyaḥ and āpadaḥ.

सर्वाः (sarvāḥ) - all, every (feminine plural)

(adjective)

Nominative, feminine, plural of sarva

sarva - all, every, whole

Note: Qualifies śriyaḥ and āpadaḥ.

श्रियः (śriyaḥ) - fortunes, prosperities, beauties

(noun)

Nominative, feminine, plural of śrī

śrī - prosperity, fortune, wealth, beauty, goddess Lakṣmī

Note: Subject of samāyānti.

सन्ततम् (santatam) - constantly, continuously, perpetually

(indeclinable)

Past Passive Participle

From sam + √tan (to stretch). Used adverbially here.

Prefix: sam

Root: tan (class 8)

Note: Modifies samāyānti.

आपदः (āpadaḥ) - calamities, misfortunes, dangers

(noun)

Nominative, feminine, plural of āpad

āpad - calamity, misfortune, danger

ā + √pad (to go, fall).

Prefix: ā

Root: pad (class 4)

Note: Subject of samāyānti, co-ordinated with śriyaḥ.

च (ca) - and, also

(indeclinable)

Note: Conjunction.