वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-7, chapter-45, verse-18

योजयस्व रथं शीघ्रमद्य भागीरथीजलम् ।
शिरसा धारयिष्यामि त्र्यम्बकः पर्वते यथा ॥१८॥

18. yojayasva rathaṃ śīghramadya bhāgīrathījalam ,
śirasā dhārayiṣyāmi tryambakaḥ parvate yathā.

18. yojayasva ratham śīghram adya bhāgīrathījalam
śirasā dhārayiṣyāmi tryambakaḥ parvate yathā

18. adya ratham śīghram yojayasva aham śirasā
bhāgīrathījalam dhārayiṣyāmi yathā tryambakaḥ parvate

18. Harness the chariot quickly today. I will bear the waters of the Gaṅgā on my head, just as Tryambaka (Shiva) does on the mountain.

Words meanings summery:

• योजयस्व (yojayasva) - harness, prepare (harness, prepare, engage)

• रथम् (ratham) - chariot (chariot, car)

• शीघ्रम् (śīghram) - quickly (quickly, swiftly, soon)

• अद्य (adya) - today

• भागीरथीजलम् (bhāgīrathījalam) - the water of the Gaṅgā (water of the Gaṅgā)

• शिरसा (śirasā) - with the head (with the head, by the head)

• धारयिष्यामि (dhārayiṣyāmi) - I will bear (I will bear, I will hold, I will sustain)

• त्र्यम्बकः (tryambakaḥ) - Tryambaka (Shiva) (the three-eyed one (epithet of Shiva))

• पर्वते (parvate) - on the mountain (Kailasa, typically) (on the mountain, in the mountain)

• यथा (yathā) - just as (as, just as, according to)

Words meanings and morphology

योजयस्व (yojayasva) - harness, prepare (harness, prepare, engage)

(verb)

2nd person , singular, middle, imperative (loṭ) of yuj

Imperative Middle, causative stem

Causative of root 'yuj', imperative, 2nd person singular, middle voice

Root: yuj (class 7)

रथम् (ratham) - chariot (chariot, car)

(noun)

Accusative, masculine, singular of ratha

ratha - chariot, car

From root 'ram' (to sport) or 'rā' (to give)

शीघ्रम् (śīghram) - quickly (quickly, swiftly, soon)

(indeclinable)

Note: Functions adverbially.

अद्य (adya) - today

(indeclinable)

भागीरथीजलम् (bhāgīrathījalam) - the water of the Gaṅgā (water of the Gaṅgā)

(noun)

Accusative, neuter, singular of bhāgīrathījalam

bhāgīrathījalam - water of the Gaṅgā

Compound noun

Compound type : ṣaṣṭhī-tatpuruṣa (bhāgīrathī+jala)

• bhāgīrathī – Gaṅgā (river)
  proper noun (feminine)
  Daughter of Bhagiratha
• jala – water
  noun (neuter)

शिरसा (śirasā) - with the head (with the head, by the head)

(noun)

Instrumental, neuter, singular of śiras

śiras - head

धारयिष्यामि (dhārayiṣyāmi) - I will bear (I will bear, I will hold, I will sustain)

(verb)

1st person , singular, active, future (lṛṭ) of dhṛ

Future Active, causative stem

Causative of root 'dhṛ', future tense, 1st person singular, active voice

Root: dhṛ (class 1)

त्र्यम्बकः (tryambakaḥ) - Tryambaka (Shiva) (the three-eyed one (epithet of Shiva))

(proper noun)

Nominative, masculine, singular of tryambaka

tryambaka - the three-eyed one, Shiva

Compound 'tri-ambaka'

Compound type : bahuvrīhi (tri+ambaka)

• tri – three
  numeral
• ambaka – eye
  noun (masculine)

Note: An epithet for Shiva.

पर्वते (parvate) - on the mountain (Kailasa, typically) (on the mountain, in the mountain)

(noun)

Locative, masculine, singular of parvata

parvata - mountain, hill

Note: Implies Mount Kailasa where Shiva is believed to reside.

यथा (yathā) - just as (as, just as, according to)

(indeclinable)