योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-29, verse-18

शरीरैकार्थिनां तेषां भीतानां मरणादपि ।
अल्पसत्त्वतया मूर्घ्नि कृतमेव परैः पदम् ॥ १८ ॥

śarīraikārthināṃ teṣāṃ bhītānāṃ maraṇādapi ,
alpasattvatayā mūrghni kṛtameva paraiḥ padam 18

18. śarīraikārthinām teṣām bhītānām maraṇāt api
alpasattvatayā mūrdhni kṛtam eva paraiḥ padam

18. śarīraikārthinām maraṇāt api bhītānām teṣām
alpasattvatayā paraiḥ mūrdhni padam kṛtam eva

18. For those who desired only their body, terrified even of death, a step was indeed placed upon their heads by their enemies (paraiḥ) due to their lack of courage (alpasattvatā).

Words meanings summery:

• शरीरैकार्थिनाम् (śarīraikārthinām) - of those desiring only their body

• तेषाम् (teṣām) - of them, their

• भीतानाम् (bhītānām) - of those who are afraid, of the fearful

• मरणात् (maraṇāt) - from death

• अपि (api) - even, also, too

• अल्पसत्त्वतया (alpasattvatayā) - due to their lack of courage (due to little courage/strength, by means of being weak-spirited)

• मूर्ध्नि (mūrdhni) - on the head, in the highest part

• कृतम् (kṛtam) - made, done, placed, performed

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

• परैः (paraiḥ) - by their enemies (by others, by enemies)

• पदम् (padam) - a step (implying subjugation or dominance) (foot, step, place, position)

Words meanings and morphology

शरीरैकार्थिनाम् (śarīraikārthinām) - of those desiring only their body

(adjective)

Genitive, masculine, plural of śarīraikārthin

śarīraikārthin - one who desires only the body, having the body as the sole object of desire

Bahuvrīhi compound: śarīra (body) + eka (sole) + arthin (desiring).

Compound type : bahuvrīhi (śarīra+eka+arthin)

• śarīra – body, physical frame, corporeal existence
  noun (neuter)
• eka – one, single, sole, only
  adjective (masculine)
• arthin – desiring, seeking, supplicant, rich
  adjective (masculine)
  Derived from artha (object, purpose, wealth) with suffix -in.

तेषाम् (teṣām) - of them, their

(pronoun)

Genitive, masculine, plural of tad

tad - that, he, she, it

Note: Can also be neuter plural genitive.

भीतानाम् (bhītānām) - of those who are afraid, of the fearful

(adjective)

Genitive, masculine, plural of bhīta

bhīta - afraid, frightened, fearful

Past Passive Participle

From root bhī- (to fear).

Root: bhī (class 3)

मरणात् (maraṇāt) - from death

(noun)

Ablative, neuter, singular of maraṇa

maraṇa - death, dying

action noun from root mṛ-

Root: mṛ (class 1)

अपि (api) - even, also, too

(indeclinable)

अल्पसत्त्वतया (alpasattvatayā) - due to their lack of courage (due to little courage/strength, by means of being weak-spirited)

(noun)

Instrumental, feminine, singular of alpasattvatā

alpasattvatā - littleness of courage, weakness of spirit, feebleness

Compound of alpa (little) + sattva (courage/essence) + tā (suffix for abstract noun).

Compound type : tatpuruṣa (alpa+sattva+tā)

• alpa – little, small, few
  adjective (masculine)
• sattva – courage, strength, essence, reality, sentient being
  noun (neuter)
  From root as- (to be).
  Root: as (class 2)
• tā – -ness, -hood, state of being
  suffix (feminine)
  Suffix used to form abstract feminine nouns from adjectives or nouns.

मूर्ध्नि (mūrdhni) - on the head, in the highest part

(noun)

Locative, masculine, singular of mūrdhan

mūrdhan - head, skull, top, summit

कृतम् (kṛtam) - made, done, placed, performed

(adjective)

Nominative, neuter, singular of kṛta

kṛta - done, made, performed, placed

Past Passive Participle

From root kṛ- (to do, make).

Root: kṛ (class 8)

Note: Functions predicatively here.

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

(indeclinable)

परैः (paraiḥ) - by their enemies (by others, by enemies)

(noun)

Instrumental, masculine, plural of para

para - other, another, supreme, enemy

पदम् (padam) - a step (implying subjugation or dominance) (foot, step, place, position)

(noun)

Nominative, neuter, singular of pada

pada - foot, step, pace, position, word

Note: Can also be accusative singular.