योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-111, verse-20

अस्त्रं सस्मार वायव्यं चतुर्दिक्कं च संदधे ।
धनुषि शिखराधारे त्रिपुरान्त इवोद्यतः ॥ २० ॥

astraṃ sasmāra vāyavyaṃ caturdikkaṃ ca saṃdadhe ,
dhanuṣi śikharādhāre tripurānta ivodyataḥ 20

20. astram sasmāra vāyavyam caturdikkam ca saṃdadhe
dhanuṣi śikharādhāre tripurāntaḥ iva udyataḥ

20. saḥ vāyavyam caturdikkam astram sasmāra ca dhanuṣi
śikharādhāre saṃdadhe tripurāntaḥ iva udyataḥ

20. He remembered the aerial (vāyavya) weapon and discharged it in all four directions on his bow, which was like a mountain peak in its support, appearing as if Lord Shiva (Tripurāntaka) himself was ready (to destroy the triple city).

Words meanings summery:

• अस्त्रम् (astram) - the weapon (weapon, missile)

• सस्मार (sasmāra) - he remembered

• वायव्यम् (vāyavyam) - aerial (vāyavya) (aerial, pertaining to wind/Vāyu)

• चतुर्दिक्कम् (caturdikkam) - in all four directions (four-directional, extending in four directions)

• च (ca) - and (and, also)

• संदधे (saṁdadhe) - discharged (it) (he placed, fixed, discharged, applied)

• धनुषि (dhanuṣi) - on his bow (on the bow, in the bow)

• शिखराधारे (śikharādhāre) - which was like a mountain peak in its support (having a peak as its support, peak-supported)

• त्रिपुरान्तः (tripurāntaḥ) - Lord Shiva (Tripurāntaka) (destroyer of Tripura (Shiva))

• इव (iva) - as if (like, as if, similar to)

• उद्यतः (udyataḥ) - ready (to destroy) (ready, prepared, uplifted, active)

Words meanings and morphology

अस्त्रम् (astram) - the weapon (weapon, missile)

(noun)

Accusative, neuter, singular of astra

astra - missile, dart, arrow, weapon

Root: as (class 2)

Note: Object of 'sasmāra' and 'saṃdadhe'.

सस्मार (sasmāra) - he remembered

(verb)

3rd person , singular, active, past perfect (lit) of smṛ

Perfect Indicative

root smṛ, 1st conjugation, parasmaipada

Root: smṛ (class 1)

Note: Subject is the hero (implied).

वायव्यम् (vāyavyam) - aerial (vāyavya) (aerial, pertaining to wind/Vāyu)

(adjective)

Accusative, neuter, singular of vāyavya

vāyavya - aerial, relating to wind, relating to Vāyu

derived from vāyu (wind)

Note: Describes 'astram'.

चतुर्दिक्कम् (caturdikkam) - in all four directions (four-directional, extending in four directions)

(adjective)

Accusative, neuter, singular of caturdik

caturdik - four-directional, extending in four directions

compound of catur (four) + dik (direction)

Compound type : Tatpurusha (catur+dik)

• catur – four
  numeral
• diś – direction, quarter of the sky
  noun (feminine)
  Root: diś (class 6)

च (ca) - and (and, also)

(indeclinable)

Note: Connects 'sasmāra' and 'saṃdadhe'.

संदधे (saṁdadhe) - discharged (it) (he placed, fixed, discharged, applied)

(verb)

3rd person , singular, middle, past perfect (lit) of dhā

Perfect Indicative

root dhā, 3rd conjugation, ātmanepada, with upasarga sam

Prefix: sam

Root: dhā (class 3)

Note: Subject is the hero (implied).

धनुषि (dhanuṣi) - on his bow (on the bow, in the bow)

(noun)

Locative, neuter, singular of dhanus

dhanus - bow, arc

Root: dhanv (class 1)

Note: Location where the weapon is discharged.

शिखराधारे (śikharādhāre) - which was like a mountain peak in its support (having a peak as its support, peak-supported)

(adjective)

Locative, neuter, singular of śikharādhāra

śikharādhāra - mountain-peaked support; having a peak as support

compound of śikhara (peak) + ādhāra (support)

Compound type : Bahuvrihi (śikhara+ādhāra)

• śikhara – peak, summit, crest (of a mountain)
  noun (masculine/neuter)
  Root: śikh (class 1)
• ādhāra – support, basis, receptacle, pedestal
  noun (masculine)
  from root dhṛ (to hold) with upasarga ā
  Prefix: ā
  Root: dhṛ (class 1)

त्रिपुरान्तः (tripurāntaḥ) - Lord Shiva (Tripurāntaka) (destroyer of Tripura (Shiva))

(proper noun)

Nominative, masculine, singular of tripurānta

tripurānta - the destroyer of the three cities, an epithet of Shiva

compound of tripura (three cities) + anta (ender, destroyer)

Compound type : Tatpurusha (tripura+anta)

• tripura – three cities (mythical cities destroyed by Shiva)
  noun (neuter)
  compound of tri (three) + pura (city)
• anta – end, destroyer, terminator
  noun (masculine)
  Root: ant (class 1)

Note: Refers to Shiva.

इव (iva) - as if (like, as if, similar to)

(indeclinable)

उद्यतः (udyataḥ) - ready (to destroy) (ready, prepared, uplifted, active)

(participle)

Nominative, masculine, singular of udyata

udyata - ready, prepared, uplifted, active, undertaken

Past Passive Participle

from root yam (to restrain, hold) with upasarga ud + kta

Prefix: ud

Root: yam (class 1)