योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-24, verse-33

कलेवरमहायन्त्रवाहयोः श्रमहीनयोः ।
हृदाकाशार्कशशिनोस्त्वग्नीषोमस्वरूपयोः ॥ ३३ ॥

kalevaramahāyantravāhayoḥ śramahīnayoḥ ,
hṛdākāśārkaśaśinostvagnīṣomasvarūpayoḥ 33

33. kalevaramahāyantravāhayoḥ śramahīnayoḥ
hṛdākāśārkaśaśinoḥ tu agnīṣomasvarūpayoḥ

33. kalevaramahāyantravāhayoḥ śramahīnayoḥ
hṛdākāśārkaśaśinoḥ tu agnīṣomasvarūpayoḥ

33. [I (remain observing) those two winds], which are the tireless carriers of the body's (kalevara) great machine, and are like the sun and moon in the space of the heart (hṛdākāśa), embodying the nature (svarūpa) of fire (agni) and soma (soma).

Words meanings summery:

• कलेवरमहायन्त्रवाहयोः (kalevaramahāyantravāhayoḥ) - of the two carriers/drivers of the body's great machine

• श्रमहीनयोः (śramahīnayoḥ) - of the two tireless ones, free from fatigue

• हृदाकाशार्कशशिनोः (hṛdākāśārkaśaśinoḥ) - of the sun and moon in the heart-space

• तु (tu) - as for, furthermore (but, yet, indeed)

• अग्नीषोमस्वरूपयोः (agnīṣomasvarūpayoḥ) - of the two whose nature is fire and soma

Words meanings and morphology

कलेवरमहायन्त्रवाहयोः (kalevaramahāyantravāhayoḥ) - of the two carriers/drivers of the body's great machine

(noun)

Genitive, masculine, dual of kalevaramahāyantravāha

kalevaramahāyantravāha - carrier/driver of the great machine of the body

Complex Tatpuruṣa compound: 'kalevara' (body) + 'mahāyantra' (great machine) + 'vāha' (carrier).

Compound type : tatpuruṣa (kalevara+mahāyantra+vāha)

• kalevara – body, physical frame
  noun (neuter)
• mahāyantra – great machine
  noun (neuter)
  Karmadhāraya compound: 'mahā' (great) + 'yantra' (machine).
• mahā – great, large, mighty
  adjective
• yantra – machine, instrument, device
  noun (neuter)
  Root: yam (class 1)
• vāha – carrier, bearer, driver, vehicle
  noun (masculine)
  Derived from root 'vah' (to carry, to convey).
  Root: vah (class 1)

Note: Modifies the implied 'tayoḥ' (prāṇa and apāna).

श्रमहीनयोः (śramahīnayoḥ) - of the two tireless ones, free from fatigue

(adjective)

Genitive, masculine, dual of śramahīna

śramahīna - tireless, free from fatigue

Tatpuruṣa compound: 'śrama' (fatigue) + 'hīna' (devoid of).

Compound type : tatpuruṣa (śrama+hīna)

• śrama – fatigue, toil, effort
  noun (masculine)
  From root 'śram' (to be weary).
  Root: śram (class 4)
• hīna – deprived of, lacking, deficient
  adjective
  Past Passive Participle
  Derived from root 'hā' (to abandon, to quit).
  Root: hā (class 3)

Note: Modifies the implied 'tayoḥ'.

हृदाकाशार्कशशिनोः (hṛdākāśārkaśaśinoḥ) - of the sun and moon in the heart-space

(noun)

Genitive, masculine, dual of hṛdākāśārkaśaśin

hṛdākāśārkaśaśin - sun and moon in the heart-space

Compound formed from 'hṛdākāśa' (heart-space) and 'arkaśaśin' (sun and moon). Syntactically, it functions as 'sun and moon *of* the heart-space'.

Compound type : tatpuruṣa + dvandva (hṛdākāśa+arka+śaśin)

• hṛdākāśa – heart-space, space of the heart
  noun (neuter)
  Tatpuruṣa compound: 'hṛd' (heart) + 'ākāśa' (space).
• hṛd – heart, mind
  noun (neuter)
• ākāśa – space, ether, sky
  noun (masculine)
  Root: kāś (class 1)
• arka – sun, solar deity
  noun (masculine)
  Root: arc (class 1)
• śaśin – moon
  noun (masculine)
  From 'śaśa' (hare) + '-in' (having).

Note: Modifies the implied 'tayoḥ'.

तु (tu) - as for, furthermore (but, yet, indeed)

(indeclinable)

Note: Connects the attributes.

अग्नीषोमस्वरूपयोः (agnīṣomasvarūpayoḥ) - of the two whose nature is fire and soma

(adjective)

Genitive, masculine, dual of agnīṣomasvarūpa

agnīṣomasvarūpa - having the nature/form of Agni and Soma

Bahuvrīhi compound, where 'agnīṣoma' itself is a dvandva compound. Meaning: 'whose form is Agni-Soma'.

Compound type : bahuvrīhi (agnīṣoma+svarūpa)

• agnīṣoma – Agni and Soma (the dual deity), fire and soma
  noun (masculine)
  Dvandva compound: 'agni' (fire) + 'soma' (soma).
• agni – fire, the deity Agni
  noun (masculine)
  Root: ag (class 1)
• soma – soma plant/juice, moon
  noun (masculine)
  Root: su (class 5)
• svarūpa – one's own form/nature, intrinsic nature, true essence
  noun (neuter)
  Tatpuruṣa compound: 'sva' (own) and 'rūpa' (form).

Note: Modifies the implied 'tayoḥ'.