महाभारतः mahābhārataḥ - book-2, chapter-10, verse-15

कशेरको गण्डकण्डुः प्रद्योतश्च महाबलः ।
कुस्तुम्बुरुः पिशाचश्च गजकर्णो विशालकः ॥१५॥

15. kaśerako gaṇḍakaṇḍuḥ pradyotaśca mahābalaḥ ,
kustumburuḥ piśācaśca gajakarṇo viśālakaḥ.

15. kaśerakaḥ gaṇḍakaṇḍuḥ pradyotaḥ ca mahābalaḥ
kustumburuḥ piśācaḥ ca gajakarṇaḥ viśālakaḥ

15. Kaśeraka, Gaṇḍakaṇḍu, and Pradyota, the mighty one (mahābala). Kustumburu, and Piśāca, Gajakarṇa, and Viśālaka are also present.

Words meanings summery:

• कशेरकः (kaśerakaḥ) - Kaśeraka (a proper name)

• गण्डकण्डुः (gaṇḍakaṇḍuḥ) - Gaṇḍakaṇḍu (a proper name)

• प्रद्योतः (pradyotaḥ) - Pradyota (proper name)

• च (ca) - and

• महाबलः (mahābalaḥ) - the mighty one (an epithet for Pradyota or another being) (very strong, mighty)

• कुस्तुम्बुरुः (kustumburuḥ) - Kustumburu (proper name)

• पिशाचः (piśācaḥ) - Piśāca (proper name or a member of the Piśāca class of beings) (a demon, a ghost, an evil spirit)

• च (ca) - and

• गजकर्णः (gajakarṇaḥ) - Gajakarṇa (a proper name, 'elephant ear') (elephant-eared)

• विशालकः (viśālakaḥ) - Viśālaka (a proper name, 'the large one') (large, wide, extensive)

Words meanings and morphology

कशेरकः (kaśerakaḥ) - Kaśeraka (a proper name)

(proper noun)

Nominative, masculine, singular of kaśeraka

kaśeraka - a proper name; also a kind of grass, a spine

गण्डकण्डुः (gaṇḍakaṇḍuḥ) - Gaṇḍakaṇḍu (a proper name)

(proper noun)

Nominative, masculine, singular of gaṇḍakaṇḍu

gaṇḍakaṇḍu - a proper name; 'itching cheek/boil'

Compound type : tatpuruṣa (gaṇḍa+kaṇḍu)

• gaṇḍa – cheek, side of the head, temple of an elephant, boil
  noun (masculine)
• kaṇḍu – itching, scratch
  noun (feminine)

Note: This seems to be a descriptive name, literally 'itching cheek/boil'.

प्रद्योतः (pradyotaḥ) - Pradyota (proper name)

(proper noun)

Nominative, masculine, singular of pradyota

pradyota - a proper name; a shining forth, splendor

च (ca) - and

(indeclinable)

महाबलः (mahābalaḥ) - the mighty one (an epithet for Pradyota or another being) (very strong, mighty)

(adjective)

Nominative, masculine, singular of mahābala

mahābala - very strong, mighty, having great power

Compound type : bahuvrīhi (mahā+bala)

• mahā – great, large, extensive
  adjective (feminine)
• bala – strength, power, might, force
  noun (neuter)

Note: Acts as an epithet here, in apposition to Pradyota.

कुस्तुम्बुरुः (kustumburuḥ) - Kustumburu (proper name)

(proper noun)

Nominative, masculine, singular of kustumburu

kustumburu - a proper name; also coriander (Coriandrum sativum)

पिशाचः (piśācaḥ) - Piśāca (proper name or a member of the Piśāca class of beings) (a demon, a ghost, an evil spirit)

(noun)

Nominative, masculine, singular of piśāca

piśāca - a demon, a ghost, an evil spirit; a class of malignant beings

च (ca) - and

(indeclinable)

गजकर्णः (gajakarṇaḥ) - Gajakarṇa (a proper name, 'elephant ear') (elephant-eared)

(proper noun)

Nominative, masculine, singular of gajakarṇa

gajakarṇa - elephant-eared; a proper name

Compound type : bahuvrīhi (gaja+karṇa)

• gaja – elephant
  noun (masculine)
• karṇa – ear
  noun (masculine)

विशालकः (viśālakaḥ) - Viśālaka (a proper name, 'the large one') (large, wide, extensive)

(proper noun)

Nominative, masculine, singular of viśālaka

viśālaka - large, wide, extensive; a proper name

Note: Diminutive suffix -ka.