वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-59, verse-18

सध्वजः सपताकश्च सानुकर्षो महारथः ।
चतुःसादिसमायुक्तो मेघस्तनितनिस्वनः ॥१८॥

18. sadhvajaḥ sapatākaśca sānukarṣo mahārathaḥ ,
catuḥsādisamāyukto meghastanitanisvanaḥ.

18. sadhvajaḥ sapatākaḥ ca sānukarṣaḥ mahārathaḥ
catuḥsādisamāyuktaḥ meghastanitanisvanaḥ

18. sadhvajaḥ sapatākaḥ ca sānukarṣaḥ
catuḥsādisamāyuktaḥ meghastanitanisvanaḥ mahārathaḥ

18. The great chariot, complete with its banner and flag, with its appendage, drawn by four horses, and roaring like a thundering cloud.

Words meanings summery:

• सध्वजः (sadhvajaḥ) - with a banner, having a flag

• सपताकः (sapatākaḥ) - with a flag, having a pennant

• च (ca) - and

• सानुकर्षः (sānukarṣaḥ) - with an appendage, having a trailer

• महारथः (mahārathaḥ) - great chariot, great warrior (in a chariot)

• चतुःसादिसमायुक्तः (catuḥsādisamāyuktaḥ) - equipped with four horses/riders/occupants

• मेघस्तनितनिस्वनः (meghastanitanisvanaḥ) - having the sound/roar of a thundering cloud

Words meanings and morphology

सध्वजः (sadhvajaḥ) - with a banner, having a flag

(adjective)

Nominative, masculine, singular of sadhvaja

sadhvaja - with a banner/flag

Compound type : bahuvrīhi (sa+dhvaja)

• sa – with, accompanied by
  indeclinable
• dhvaja – flag, banner
  noun (masculine)

सपताकः (sapatākaḥ) - with a flag, having a pennant

(adjective)

Nominative, masculine, singular of sapatāka

sapatāka - with a flag/pennant

Compound type : bahuvrīhi (sa+patāka)

• sa – with, accompanied by
  indeclinable
• patāka – flag, banner, pennant
  noun (masculine)

च (ca) - and

(indeclinable)

सानुकर्षः (sānukarṣaḥ) - with an appendage, having a trailer

(adjective)

Nominative, masculine, singular of sānukarṣa

sānukarṣa - with a trailer, having an appendage/drag-cart

Compound type : bahuvrīhi (sa+anukarṣa)

• sa – with, accompanied by
  indeclinable
• anukarṣa – a drag-cart, appendage, trailing object
  noun (masculine)
  Prefix: anu
  Root: kṛṣ (class 1)

महारथः (mahārathaḥ) - great chariot, great warrior (in a chariot)

(noun)

Nominative, masculine, singular of mahāratha

mahāratha - great chariot, great warrior

Compound type : karmadhāraya (mahā+ratha)

• mahā – great, large
  adjective
• ratha – chariot, car
  noun (masculine)

चतुःसादिसमायुक्तः (catuḥsādisamāyuktaḥ) - equipped with four horses/riders/occupants

(adjective)

Nominative, masculine, singular of catuḥsādisamāyukta

catuḥsādisamāyukta - equipped with four horses/riders

Compound type : bahuvrīhi (catur+sādi+samāyukta)

• catur – four
  numeral
• sādi – horse, rider, charioteer
  noun (masculine)
• samāyukta – connected with, joined, furnished with, equipped
  adjective (masculine)
  Past Passive Participle
  Prefixes: sam+ā
  Root: yuj (class 7)

मेघस्तनितनिस्वनः (meghastanitanisvanaḥ) - having the sound/roar of a thundering cloud

(adjective)

Nominative, masculine, singular of meghastanitanisvana

meghastanitanisvana - sounding like a thundering cloud, having the roar of a cloud's thunder

Compound type : bahuvrīhi (megha+stanita+nisvana)

• megha – cloud
  noun (masculine)
• stanita – thunder, rumbling sound
  noun (neuter)
  Past Passive Participle
  Used as a noun
  Root: stan (class 1)
• nisvana – sound, roar, noise
  noun (masculine)
  Prefix: ni
  Root: svan (class 1)