योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-27, verse-12

तेनार्घ्यपाद्यपुष्पेण त्रिनेत्रमिव मामसौ ।
आपादमस्तकं भक्त्या पूजयामास पूर्वजः ॥ १२ ॥

tenārghyapādyapuṣpeṇa trinetramiva māmasau ,
āpādamastakaṃ bhaktyā pūjayāmāsa pūrvajaḥ 12

12. tena arghyapādyapuṣpeṇa trinetram iva mām asau
āpādamastakam bhaktyā pūjayāmāsa pūrvajaḥ

12. asau pūrvajaḥ tena arghyapādyapuṣpeṇa trinetram
iva mām āpādamastakam bhaktyā pūjayāmāsa

12. With that offering of respectful water for the feet and flowers, that ancient one (Bhūśuṇḍa) worshipped me from foot to head with devotion (bhakti), as if I were the three-eyed (Śiva).

Words meanings summery:

• तेन (tena) - by that, with that

• अर्घ्यपाद्यपुष्पेण (arghyapādyapuṣpeṇa) - with the offering of respectful water for feet and flowers

• त्रिनेत्रम् (trinetram) - the three-eyed one (Śiva)

• इव (iva) - like, as if, similar to

• माम् (mām) - me

• असौ (asau) - this, that

• आपादमस्तकम् (āpādamastakam) - from foot to head

• भक्त्या (bhaktyā) - with devotion, by means of devotion (bhakti)

• पूजयामास (pūjayāmāsa) - he worshipped, he honored

• पूर्वजः (pūrvajaḥ) - Bhūśuṇḍa, who is ancient (the ancient one, progenitor, elder)

Words meanings and morphology

तेन (tena) - by that, with that

(pronoun)

Instrumental, masculine, singular of tad

tad - that

अर्घ्यपाद्यपुष्पेण (arghyapādyapuṣpeṇa) - with the offering of respectful water for feet and flowers

(noun)

Instrumental, neuter, singular of arghyapādyapuṣpa

arghyapādyapuṣpa - offering of respectful water for feet and flowers

Dvandva compound of arghya (offering), pādya (water for feet), and puṣpa (flowers).

Compound type : dvandva (arghya+pādya+puṣpa)

• arghya – offering, respectful oblation
  noun (neuter)
• pādya – water for washing feet
  noun (neuter)
• puṣpa – flower
  noun (neuter)

त्रिनेत्रम् (trinetram) - the three-eyed one (Śiva)

(noun)

Accusative, masculine, singular of trinetra

trinetra - three-eyed (an epithet of Śiva)

Bahuvrīhi compound: tri (three) + netra (eye).

Compound type : bahuvrīhi (tri+netra)

• tri – three
  numeral
• netra – eye
  noun (neuter)

इव (iva) - like, as if, similar to

(indeclinable)

माम् (mām) - me

(pronoun)

Accusative, singular of asmad

asmad - I, me (1st person pronoun)

असौ (asau) - this, that

(pronoun)

Nominative, masculine, singular of adas

adas - this, that

आपादमस्तकम् (āpādamastakam) - from foot to head

(indeclinable)

Avyayībhāva compound indicating 'up to and including'.

Compound type : avyayībhāva (pāda+mastaka)

• pāda – foot
  noun (masculine)
• mastaka – head
  noun (neuter)

भक्त्या (bhaktyā) - with devotion, by means of devotion (bhakti)

(noun)

Instrumental, feminine, singular of bhakti

bhakti - devotion, adoration, attachment

From root bhaj (to divide, allot, worship).

Root: bhaj (class 1)

पूजयामास (pūjayāmāsa) - he worshipped, he honored

(verb)

3rd person , singular, active, perfect (liṭ) of pūj

perfect (liṭ)

Root verb pūj, perfect 3rd person singular active. Formed with auxiliary kṛ (āmāsa).

Root: pūj (class 10)

पूर्वजः (pūrvajaḥ) - Bhūśuṇḍa, who is ancient (the ancient one, progenitor, elder)

(adjective)

Nominative, masculine, singular of pūrvaja

pūrvaja - ancient, born before, progenitor, elder

Compound: pūrva (former, prior) + ja (born).

Compound type : tatpuruṣa (pūrva+ja)

• pūrva – former, prior, ancient
  adjective (masculine)
• ja – born, produced from
  suffix (neuter)
  From root jan (to be born).
  Root: jan (class 4)