वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-33, verse-11

अग्निकेतुश्च दुर्धर्षो रश्मिकेतुश्च राक्षसः ।
सुप्तघ्नो यज्ञकोपश्च रामेण सह संगताः ॥११॥

11. agniketuśca durdharṣo raśmiketuśca rākṣasaḥ ,
suptaghno yajñakopaśca rāmeṇa saha saṃgatāḥ.

11. agniketuḥ ca durdharṣaḥ raśmiketuḥ ca rākṣasaḥ
suptaghnaḥ yajñakopaḥ ca rāmeṇa saha saṃgatāḥ

11. Agniketu, the formidable, and the demon Rashmiketu, along with Suptaghna and Yajñakopa, met with Rama.

Words meanings summery:

• अग्निकेतुः (agniketuḥ) - The demon Agniketu (Agniketu (proper name))

• च (ca) - and (and, also)

• दुर्धर्षः (durdharṣaḥ) - formidable (formidable, irresistible, unconquerable)

• रश्मिकेतुः (raśmiketuḥ) - The demon Rashmiketu (Rashmiketu (proper name))

• च (ca) - and (and, also)

• राक्षसः (rākṣasaḥ) - demon (demon, evil spirit)

• सुप्तघ्नः (suptaghnaḥ) - The demon Suptaghna (Suptaghna (proper name); slayer of sleepers)

• यज्ञकोपः (yajñakopaḥ) - The demon Yajñakopa (Yajñakopa (proper name); wrath of [Vedic ritual])

• च (ca) - and (and, also)

• रामेण (rāmeṇa) - with Rama (by Rama, with Rama)

• सह (saha) - together with (with, together with)

• संगताः (saṁgatāḥ) - met (met, joined, encountered, assembled)

Words meanings and morphology

अग्निकेतुः (agniketuḥ) - The demon Agniketu (Agniketu (proper name))

(proper noun)

Nominative, masculine, singular of agniketu

agniketu - Agniketu (name of a demon); one whose banner is fire

Compound type : bahuvrihi (agni+ketu)

• agni – fire
  noun (masculine)
• ketu – banner, flag, sign, chief
  noun (masculine)

च (ca) - and (and, also)

(indeclinable)

दुर्धर्षः (durdharṣaḥ) - formidable (formidable, irresistible, unconquerable)

(adjective)

Nominative, masculine, singular of durdharṣa

durdharṣa - formidable, irresistible, unconquerable, difficult to attack

From root dhṛṣ (to be courageous, attack) with prefix dur- (difficult)

Prefix: dur

Root: dhṛṣ (class 5)

Note: Describes Agniketu.

रश्मिकेतुः (raśmiketuḥ) - The demon Rashmiketu (Rashmiketu (proper name))

(proper noun)

Nominative, masculine, singular of raśmiketu

raśmiketu - Rashmiketu (name of a demon); one whose banner is a ray of light

Compound type : bahuvrihi (raśmi+ketu)

• raśmi – ray, light, rein
  noun (masculine)
• ketu – banner, flag, sign, chief
  noun (masculine)

च (ca) - and (and, also)

(indeclinable)

राक्षसः (rākṣasaḥ) - demon (demon, evil spirit)

(noun)

Nominative, masculine, singular of rākṣasa

rākṣasa - demon, evil spirit

Derived from root rakṣ (to protect), ironically meaning 'one who needs to be protected from' or 'one who harms'.

Root: rakṣ (class 1)

Note: Applies to Rashmiketu.

सुप्तघ्नः (suptaghnaḥ) - The demon Suptaghna (Suptaghna (proper name); slayer of sleepers)

(proper noun)

Nominative, masculine, singular of suptaghna

suptaghna - Suptaghna (name of a demon); slayer of sleepers

Compound type : tatpurusha (supta+ghna)

• supta – asleep, sleeping, unconscious
  adjective
  Past Passive Participle
  From root svap (to sleep)
  Root: svap (class 2)
• ghna – slaying, destroying (suffix)
  adjective
  From root han (to strike, kill)
  Root: han (class 2)

यज्ञकोपः (yajñakopaḥ) - The demon Yajñakopa (Yajñakopa (proper name); wrath of [Vedic ritual])

(proper noun)

Nominative, masculine, singular of yajñakopa

yajñakopa - Yajñakopa (name of a demon); wrath of [Vedic ritual]

Compound type : tatpurusha (yajña+kopa)

• yajña – [Vedic ritual], sacrifice, worship
  noun (masculine)
  Root: yaj (class 1)
• kopa – anger, wrath
  noun (masculine)
  Root: kup (class 4)

च (ca) - and (and, also)

(indeclinable)

रामेण (rāmeṇa) - with Rama (by Rama, with Rama)

(proper noun)

Instrumental, masculine, singular of rāma

rāma - Rama (name of a prominent deity in Hinduism, hero of the Ramayana)

सह (saha) - together with (with, together with)

(indeclinable)

संगताः (saṁgatāḥ) - met (met, joined, encountered, assembled)

(adjective)

Nominative, masculine, plural of saṃgata

saṁgata - met, joined, encountered, assembled, agreed

Past Passive Participle

From root gam (to go) with prefix sam-

Prefix: sam

Root: gam (class 1)

Note: Refers to the demons who met Rama.