वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-1, chapter-38, verse-18

योजनायामविस्तारमेकैको धरणीतलम् ।
बिभिदुः पुरुषव्याघ्र वज्रस्पर्शसमैर्भुजैः ॥१८॥

18. yojanāyāmavistāramekaiko dharaṇītalam ,
bibhiduḥ puruṣavyāghra vajrasparśasamairbhujaiḥ.

18. yojanāyāmavistāram ekekaḥ dharaṇītalam bibhiduḥ
puruṣavyāghra vajrasparśasamaiḥ bhujaiḥ

18. puruṣavyāghra ekekaḥ yojanāyāmavistāram
dharaṇītalam vajrasparśasamaiḥ bhujaiḥ bibhiduḥ

18. O tiger among men (puruṣavyāghra), each one of them dug into the earth's surface, which had an expanse of one yojana, using their arms that were like the touch of a thunderbolt.

Words meanings summery:

• योजनायामविस्तारम् (yojanāyāmavistāram) - having an expanse/extent of one yojana (a unit of distance)

• एकेकः (ekekaḥ) - each one, one by one

• धरणीतलम् (dharaṇītalam) - the surface of the earth, ground

• बिभिदुः (bibhiduḥ) - they split, pierced, dug

• पुरुषव्याघ्र (puruṣavyāghra) - O tiger among men, O foremost of men

• वज्रस्पर्शसमैः (vajrasparśasamaiḥ) - with arms equal to the touch of a thunderbolt

• भुजैः (bhujaiḥ) - with arms

Words meanings and morphology

योजनायामविस्तारम् (yojanāyāmavistāram) - having an expanse/extent of one yojana (a unit of distance)

(adjective)

Accusative, neuter, singular of yojanāyāmavistāra

yojanāyāmavistāra - having an expanse of one yojana in measurement

Compound type : Bahuvrīhi (yojanāyāma+vistāra)

• yojanāyāma – having a yojana in length
  adjective (masculine)
• vistāra – expanse, extent, width
  noun (masculine)
  Root: stṛ (class 5)

एकेकः (ekekaḥ) - each one, one by one

(pronoun)

Nominative, masculine, singular of ekeka

ekeka - each one, one by one

धरणीतलम् (dharaṇītalam) - the surface of the earth, ground

(noun)

Accusative, neuter, singular of dharaṇītala

dharaṇītala - earth's surface, ground

Compound type : Tatpuruṣa (dharaṇī+tala)

• dharaṇī – earth, ground
  noun (feminine)
• tala – surface, plane, flat ground
  noun (neuter)

बिभिदुः (bibhiduḥ) - they split, pierced, dug

(verb)

3rd person , plural, active, Perfect (liṭ) of bhid

Perfect Active

3rd person plural, Perfect Tense, Parasmaipada

Root: bhid (class 7)

पुरुषव्याघ्र (puruṣavyāghra) - O tiger among men, O foremost of men

(noun)

Vocative, masculine, singular of puruṣavyāghra

puruṣavyāghra - tiger among men, chief of men, a mighty man

Compound type : Tatpuruṣa (puruṣa+vyāghra)

• puruṣa – man, person, human being
  noun (masculine)
• vyāghra – tiger
  noun (masculine)

वज्रस्पर्शसमैः (vajrasparśasamaiḥ) - with arms equal to the touch of a thunderbolt

(adjective)

Instrumental, masculine, plural of vajrasparśasama

vajrasparśasama - equal to the touch of a thunderbolt, having a touch like a thunderbolt

Compound type : Bahuvrīhi (vajrasparśa+sama)

• vajrasparśa – touch of a thunderbolt
  noun (masculine)
• sama – equal, like, similar to
  adjective (masculine)

भुजैः (bhujaiḥ) - with arms

(noun)

Instrumental, masculine, plural of bhuja

bhuja - arm, hand