योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-73, verse-40

रजःकणगृहस्थाणुशिरस्येकेन सानुना ।
पादेनातिष्ठदुद्ग्रीवं शिखीव गिरिमूर्धनि ॥ ४० ॥

rajaḥkaṇagṛhasthāṇuśirasyekena sānunā ,
pādenātiṣṭhadudgrīvaṃ śikhīva girimūrdhani 40

40. rajaḥkaṇagṛhasthāṇuśirasi ekena sānunā pādena
atiṣṭhat udgrīvam śikhī iva girimūrdhani

40. rajaḥkaṇagṛhasthāṇuśirasi ekena sānunā pādena
udgrīvam atiṣṭhat girimūrdhani śikhī iva

40. Upon the head of an illusory house-pillar made of dust-particles, it stood with one foot, as if on a single high point (sānu), with its neck outstretched, just like a peacock (śikhī) on a mountain peak.

Words meanings summery:

• रजःकणगृहस्थाणुशिरसि (rajaḥkaṇagṛhasthāṇuśirasi) - on the head of an illusory pillar, a house-pillar made of dust-particles (on the head of a house-pillar made of dust particles)

• एकेन (ekena) - by one

• सानुना (sānunā) - by a single delicate point of contact (referring to the subtle support) (by a peak, by a ridge, by a high point of contact)

• पादेन (pādena) - by the foot

• अतिष्ठत् (atiṣṭhat) - it stood, remained

• उद्ग्रीवम् (udgrīvam) - with neck outstretched, with elevated neck

• शिखी (śikhī) - peacock, crested bird

• इव (iva) - as if, like

• गिरिमूर्धनि (girimūrdhani) - on a mountain peak

Words meanings and morphology

रजःकणगृहस्थाणुशिरसि (rajaḥkaṇagṛhasthāṇuśirasi) - on the head of an illusory pillar, a house-pillar made of dust-particles (on the head of a house-pillar made of dust particles)

(noun)

Locative, neuter, singular of rajaḥkaṇagṛhasthāṇuśiras

rajaḥkaṇagṛhasthāṇuśiras - head of a house-pillar made of dust particles

Compound type : tatpuruṣa (rajaḥkaṇa+gṛhasthāṇu+śiras)

• rajaḥkaṇa – dust particle
  noun (masculine)
• gṛhasthāṇu – house-pillar
  noun (masculine)
• śiras – head, summit
  noun (neuter)

एकेन (ekena) - by one

(numeral/adjective)

सानुना (sānunā) - by a single delicate point of contact (referring to the subtle support) (by a peak, by a ridge, by a high point of contact)

(noun)

Instrumental, masculine, singular of sānu

sānu - peak, ridge, table-land, high point

पादेन (pādena) - by the foot

(noun)

Instrumental, masculine, singular of pāda

pāda - foot

अतिष्ठत् (atiṣṭhat) - it stood, remained

(verb)

3rd person , singular, active, past imperfect (laṅ) of sthā

Root: sthā (class 1)

उद्ग्रीवम् (udgrīvam) - with neck outstretched, with elevated neck

(adverb)

Compound type : bahuvrīhi (ud+grīva)

• ud – up, upward
  indeclinable
• grīva – neck
  noun (feminine)

शिखी (śikhī) - peacock, crested bird

(noun)

Nominative, masculine, singular of śikhin

śikhin - peacock, crested, having a crest

इव (iva) - as if, like

(indeclinable)

गिरिमूर्धनि (girimūrdhani) - on a mountain peak

(noun)

Locative, masculine, singular of girimūrdhan

girimūrdhan - mountain peak

Compound type : tatpuruṣa (giri+mūrdhan)

• giri – mountain, hill
  noun (masculine)
• mūrdhan – head, summit, peak
  noun (masculine)