महाभारतः mahābhārataḥ - book-8, chapter-12, verse-49

संतापयन्तावन्योन्यं दीप्तैः शरगभस्तिभिः ।
लोकत्रासकरावास्तां विमार्गस्थौ ग्रहाविव ॥४९॥

49. saṁtāpayantāvanyonyaṁ dīptaiḥ śaragabhastibhiḥ ,
lokatrāsakarāvāstāṁ vimārgasthau grahāviva.

49. saṃtāpayantau anyonyam dīptaiḥ śara-gabhastibhiḥ
lokatrāsakarau āstām vimārgasthau grahau iva

49. (tau) dīptaiḥ śara-gabhastibhiḥ anyonyam saṃtāpayantau,
vimārgasthau grahau iva,
lokatrāsakarau āstām

49. Harassing each other with their blazing, ray-like arrows, the two warriors became a source of terror to all beings, much like two planets that have strayed from their regular paths.

Words meanings summery:

• संतापयन्तौ (saṁtāpayantau) - causing distress to each other, tormenting, burning

• अन्योन्यम् (anyonyam) - each other, mutually

• दीप्तैः (dīptaiḥ) - with blazing, with radiant, with shining

• शर-गभस्तिभिः (śara-gabhastibhiḥ) - with arrow-rays (arrows likened to rays of light or heat)

• लोकत्रासकरौ (lokatrāsakarau) - causing terror to the worlds, terrifying all beings

• आस्ताम् (āstām) - they (two) were, they existed

• विमार्गस्थौ (vimārgasthau) - situated off course, straying from the path

• ग्रहौ (grahau) - two planets

• इव (iva) - like, as if, as

Words meanings and morphology

संतापयन्तौ (saṁtāpayantau) - causing distress to each other, tormenting, burning

(adjective)

Nominative, masculine, dual of saṃtāpayat

saṁtāpayat - causing pain, tormenting, distressing, heating thoroughly

Present Active Participle (Causative)

Derived from the causative stem tāpay- of the root tap (class 1) with prefix sam-.

Prefix: sam

Root: tap (class 1)

अन्योन्यम् (anyonyam) - each other, mutually

(pronoun)

Accusative, masculine, singular of anyonya

anyonya - each other, mutual, reciprocal

Note: Used adverbially to indicate reciprocal action.

दीप्तैः (dīptaiḥ) - with blazing, with radiant, with shining

(adjective)

Instrumental, masculine, plural of dīpta

dīpta - blazing, radiant, shining, bright, inflamed

Past Passive Participle

From root dīp (class 4).

Root: dīp (class 4)

Note: Agrees with 'śara-gabhastibhiḥ'.

शर-गभस्तिभिः (śara-gabhastibhiḥ) - with arrow-rays (arrows likened to rays of light or heat)

(noun)

Instrumental, masculine, plural of śara-gabhasti

śara-gabhasti - arrow-ray (arrows compared to rays of light)

Compound type : karmadhāraya (śara+gabhasti)

• śara – arrow, reed
  noun (masculine/neuter)
• gabhasti – ray of light, hand, arm
  noun (masculine)

लोकत्रासकरौ (lokatrāsakarau) - causing terror to the worlds, terrifying all beings

(adjective)

Nominative, masculine, dual of lokatrāsakara

lokatrāsakara - causing terror to the world/people

Compound type : tatpuruṣa (loka+trāsa+kara)

• loka – world, people, beings
  noun (masculine)
• trāsa – fear, terror, alarm
  noun (masculine)
• kara – making, causing, doing
  adjective (masculine/feminine/neuter)
  Suffix from root kṛ (class 8).
  Root: kṛ (class 8)

आस्ताम् (āstām) - they (two) were, they existed

(verb)

3rd person , dual, active, imperfect past (laṅ) of as

Root: as (class 2)

विमार्गस्थौ (vimārgasthau) - situated off course, straying from the path

(adjective)

Nominative, masculine, dual of vimārgastha

vimārgastha - standing in a wrong path, situated off course, straying

Compound type : tatpuruṣa (vimārga+stha)

• vimārga – wrong path, bad road, deviation
  noun (masculine)
  Prefix: vi
• stha – standing, situated, abiding in
  adjective (masculine/feminine/neuter)
  Suffix derived from the root sthā (class 1).
  Root: sthā (class 1)

ग्रहौ (grahau) - two planets

(noun)

Nominative, masculine, dual of graha

graha - planet, seizer, grasping, eclipse

Root: grah (class 9)

इव (iva) - like, as if, as

(indeclinable)