वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-69, verse-18

सस्कन्धविटपैः सालैः शिलाभिश्च महाबलैः ।
हनूमान् कदनं चक्रे रक्षसां भीमकर्मणाम् ॥१८॥

18. saskandhaviṭapaiḥ sālaiḥ śilābhiśca mahābalaiḥ ,
hanūmān kadanaṃ cakre rakṣasāṃ bhīmakarmaṇām.

18. saskandhaviṭapaiḥ sālaiḥ śilābhiḥ ca mahābalaiḥ
hanūmān kadanam cakre rakṣasām bhīmakarmaṇām

18. Mighty Hanūman caused great slaughter of the rākṣasas (demons) who performed terrible deeds, wielding trees (including their trunks and branches) and rocks.

Words meanings summery:

• सस्कन्धविटपैः (saskandhaviṭapaiḥ) - with trees including their trunks and branches

• सालैः (sālaiḥ) - with sal trees, with trees

• शिलाभिः (śilābhiḥ) - with rocks, with stones

• च (ca) - and

• महाबलैः (mahābalaiḥ) - Describing the trees and rocks as mighty, or wielded with great strength. (by the mighty ones; with great strength)

• हनूमान् (hanūmān) - Hanūman

• कदनम् (kadanam) - slaughter, destruction, massacre

• चक्रे (cakre) - made, did, performed

• रक्षसाम् (rakṣasām) - of the rākṣasas, of the demons

• भीमकर्मणाम् (bhīmakarmaṇām) - Describing the rākṣasas as performing terrible deeds. (of terrible deeds, of fearful actions)

Words meanings and morphology

सस्कन्धविटपैः (saskandhaviṭapaiḥ) - with trees including their trunks and branches

(noun)

Instrumental, masculine, plural of saskandhaviṭapa

saskandhaviṭapa - a tree with its trunk and branches

Compound type : bahuvrīhi (sa+skandha+viṭapa)

• sa – with, together with
  indeclinable
• skandha – a trunk (of a tree), a shoulder
  noun (masculine)
• viṭapa – a branch, a shoot, a sprout
  noun (masculine)

सालैः (sālaiḥ) - with sal trees, with trees

(noun)

Instrumental, masculine, plural of sāla

sāla - a sal tree (Shorea robusta); a tree in general

शिलाभिः (śilābhiḥ) - with rocks, with stones

(noun)

Instrumental, feminine, plural of śilā

śilā - a rock, a stone

च (ca) - and

(indeclinable)

महाबलैः (mahābalaiḥ) - Describing the trees and rocks as mighty, or wielded with great strength. (by the mighty ones; with great strength)

(adjective)

Instrumental, masculine, plural of mahābala

mahābala - of great strength, very mighty; a mighty person

Compound type : bahuvrīhi (mahā+bala)

• mahā – great, large, mighty
  adjective
• bala – strength, power, might; an army
  noun (neuter)

Note: Agrees with 'saskandhaviṭapaiḥ sālaiḥ śilābhiḥ'

हनूमान् (hanūmān) - Hanūman

(proper noun)

Nominative, masculine, singular of hanumat

hanumat - Hanūman (a prominent monkey deity and devotee of Rāma)

कदनम् (kadanam) - slaughter, destruction, massacre

(noun)

Accusative, neuter, singular of kadana

kadana - slaughter, destruction, massacre

चक्रे (cakre) - made, did, performed

(verb)

3rd person , singular, middle, perfect (lit) of kṛ

perfect tense form

reduplicated perfect, 3rd person singular, middle voice

Root: kṛ (class 8)

रक्षसाम् (rakṣasām) - of the rākṣasas, of the demons

(noun)

Genitive, neuter, plural of rakṣas

rakṣas - a rākṣasa, a demon

भीमकर्मणाम् (bhīmakarmaṇām) - Describing the rākṣasas as performing terrible deeds. (of terrible deeds, of fearful actions)

(adjective)

Genitive, neuter, plural of bhīmakarman

bhīmakarman - one whose deeds are terrible, having fearful actions

Compound type : bahuvrīhi (bhīma+karman)

• bhīma – terrible, fearful, dreadful
  adjective
• karman – action, deed, work, ritual
  noun (neuter)
  Root: kṛ

Note: Agrees with 'rakṣasām'