वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-4, chapter-66, verse-21

निमेषान्तरमात्रेण निरालम्भनमम्बरम् ।
सहसा निपतिष्यामि घनाद्विद्युदिवोत्थिता ॥२१॥

21. nimeṣāntaramātreṇa nirālambhanamambaram ,
sahasā nipatiṣyāmi ghanādvidyudivotthitā.

21. nimeṣāntaramātreṇa nirālambhanam ambaram
sahasā nipatiṣyāmi ghanāt vidyut iva utthitā

21. nimeṣāntaramātreṇa nirālambhanam ambaram
utthitā vidyut ghanāt iva sahasā nipatiṣyāmi

21. In but a moment, I will swiftly descend through the unsupported sky, like a flash of lightning rising from a cloud.

Words meanings summery:

• निमेषान्तरमात्रेण (nimeṣāntaramātreṇa) - in the space of a wink, in a moment, in an instant

• निरालम्भनम् (nirālambhanam) - unsupported, without support, baseless

• अम्बरम् (ambaram) - the sky (sky, atmosphere, garment)

• सहसा (sahasā) - suddenly, swiftly, with force

• निपतिष्यामि (nipatiṣyāmi) - I will fall down, I will descend

• घनात् (ghanāt) - from a cloud, from a dense mass

• विद्युत् (vidyut) - lightning

• इव (iva) - like, as, as if

• उत्थिता (utthitā) - risen, sprung up, stood up

Words meanings and morphology

निमेषान्तरमात्रेण (nimeṣāntaramātreṇa) - in the space of a wink, in a moment, in an instant

(compound)

Compound type : tatpuruṣa (nimeṣa+antara+mātra)

• nimeṣa – wink, blinking of the eye, moment
  noun (masculine)
  From root 'miṣ' (to wink) with prefix 'ni-'.
  Prefix: ni
  Root: miṣ (class 1)
• antara – interval, space, difference
  noun (neuter)
• mātra – measure, mere, only, just
  adjective (neuter)
  Suffix -mātra meaning 'only, mere'.

निरालम्भनम् (nirālambhanam) - unsupported, without support, baseless

(adjective)

Accusative, neuter, singular of nirālambhana

nirālambhana - unsupported, without support, independent

Compound of 'nir' (without) and 'ālambhana' (support).

Compound type : bahuvrīhi (nis+ālambhana)

• nis – out, without
  indeclinable
  Negative/privative prefix.
• ālambhana – support, reliance, resting upon
  noun (neuter)
  From root 'labh' (to seize) with prefix 'ā-'.
  Prefix: ā
  Root: labh (class 1)

Note: Agrees with 'ambaram'.

अम्बरम् (ambaram) - the sky (sky, atmosphere, garment)

(noun)

Accusative, neuter, singular of ambara

ambara - sky, atmosphere, garment, circumference

सहसा (sahasā) - suddenly, swiftly, with force

(indeclinable)

Adverbial form, from 'sahas' (power, force).

निपतिष्यामि (nipatiṣyāmi) - I will fall down, I will descend

(verb)

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

Future Tense, 1st Person, Singular, Active Voice

Derived from root 'pat' (class 1, 'to fall') with prefix 'ni-'. Future tense form, parasmaipada.

Prefix: ni

Root: pat (class 1)

घनात् (ghanāt) - from a cloud, from a dense mass

(noun)

Ablative, masculine, singular of ghana

ghana - cloud, dense, thick, mass

विद्युत् (vidyut) - lightning

(noun)

Nominative, feminine, singular of vidyut

vidyut - lightning, flash of lightning

From root 'vidyut' (to shine, flash).

Root: vidyut

इव (iva) - like, as, as if

(indeclinable)

Particle of comparison.

उत्थिता (utthitā) - risen, sprung up, stood up

(participle)

Nominative, feminine, singular of utthita

utthita - risen, stood up, sprung forth, appeared

Past Passive Participle

Derived from root 'sthā' (to stand) with prefix 'ud-'. 'ut-' form of 'ud-'.

Prefix: ud

Root: sthā (class 1)