योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-93, verse-41

कायोऽयमचिरापायो बुद्बुदोऽम्बुनिधाविव ।
स्फुरन्नेव पुरोन्तर्द्धि याति दीपशिखा यथा ॥ ४१ ॥

kāyo'yamacirāpāyo budbudo'mbunidhāviva ,
sphuranneva purontarddhi yāti dīpaśikhā yathā 41

41. kāyaḥ ayam acirāpāyaḥ budbudaḥ ambunidhau iva
sphuran eva puraḥ antarddhi yāti dīpaśikhā yathā

41. ayam kāyaḥ ambunidhau budbudaḥ iva acirāpāyaḥ (asti).
yathā dīpaśikhā puraḥ sphuran eva antarddhi yāti (tathā ayam).

41. This body is ephemeral, quickly perishing like a bubble in the ocean. It vanishes into non-existence, just like a lamp flame extinguishes even as it flickers.

Words meanings summery:

• कायः (kāyaḥ) - body, collection

• अयम् (ayam) - this (masculine)

• अचिरापायः (acirāpāyaḥ) - quickly perishable, having swift destruction/disappearance

• बुद्बुदः (budbudaḥ) - bubble

• अम्बुनिधौ (ambunidhau) - in the ocean, in the reservoir of water

• इव (iva) - like, as, as if

• स्फुरन् (sphuran) - flickering, throbbing, flashing, vibrating

• एव (eva) - just, indeed, only, certainly

• पुरः (puraḥ) - in front, before, eastward

• अन्तर्द्धि (antarddhi) - disappearance, vanishing, concealment

• याति (yāti) - goes, reaches, attains

• दीपशिखा (dīpaśikhā) - lamp flame, flame of a lamp

• यथा (yathā) - just as, like, in which way

Words meanings and morphology

कायः (kāyaḥ) - body, collection

(noun)

Nominative, masculine, singular of kāya

kāya - body, heap, collection, aggregation

Root: ci (class 5)

अयम् (ayam) - this (masculine)

(pronoun)

Nominative, masculine, singular of idam

idam - this (masculine)

अचिरापायः (acirāpāyaḥ) - quickly perishable, having swift destruction/disappearance

(adjective)

Nominative, masculine, singular of acirāpāya

acirāpāya - having quick destruction, quickly perishing

Compound type : bahuvrīhi (acira+apāya)

• acira – not long, short-lived, swift, quick
  adjective (masculine)
  Prefix: a
• apāya – destruction, disappearance, departure, loss
  noun (masculine)
  Prefix: apa
  Root: i (class 2)

बुद्बुदः (budbudaḥ) - bubble

(noun)

Nominative, masculine, singular of budbuda

budbuda - a bubble, blister

अम्बुनिधौ (ambunidhau) - in the ocean, in the reservoir of water

(noun)

Locative, masculine, singular of ambunidhi

ambunidhi - ocean, sea, reservoir of water (lit. water-treasure)

Compound type : tatpuruṣa (ambu+nidhi)

• ambu – water
  noun (neuter)
• nidhi – treasure, receptacle, store, collection
  noun (masculine)
  Prefix: ni
  Root: dhā (class 3)

इव (iva) - like, as, as if

(indeclinable)

स्फुरन् (sphuran) - flickering, throbbing, flashing, vibrating

(adjective)

Nominative, masculine, singular of sphurat

sphurat - flickering, throbbing, flashing, vibrating, trembling

Present Active Participle

Present active participle of root sphur (to throb, vibrate, flash)

Root: sphur (class 6)

Note: Refers to the lamp flame (dīpaśikhā) by implication.

एव (eva) - just, indeed, only, certainly

(indeclinable)

पुरः (puraḥ) - in front, before, eastward

(indeclinable)

अन्तर्द्धि (antarddhi) - disappearance, vanishing, concealment

(noun)

Accusative, feminine, singular of antarddhi

antarddhi - disappearance, vanishing, concealment

Prefix: antar

Root: dhā (class 3)

याति (yāti) - goes, reaches, attains

(verb)

3rd person , singular, active, present indicative (laṭ) of yā

Root: yā (class 2)

दीपशिखा (dīpaśikhā) - lamp flame, flame of a lamp

(noun)

Nominative, feminine, singular of dīpaśikhā

dīpaśikhā - lamp flame, flame of a lamp

Compound type : tatpuruṣa (dīpa+śikhā)

• dīpa – lamp, light, illumination
  noun (masculine)
  Root: dīp (class 4)
• śikhā – flame, crest, top, peak
  noun (feminine)

यथा (yathā) - just as, like, in which way

(indeclinable)