महाभारतः mahābhārataḥ - book-3, chapter-172, verse-7

अथ प्रयोक्ष्यमाणेन दिव्यान्यस्त्राणि तेन वै ।
समाक्रान्ता मही पद्भ्यां समकम्पत सद्रुमा ॥७॥

7. atha prayokṣyamāṇena divyānyastrāṇi tena vai ,
samākrāntā mahī padbhyāṁ samakampata sadrumā.

7. atha prayokṣyamāṇena divyāni astrāṇi tena vai
samākrāntā mahī padbhyām samakampat sadrumā

7. Then, as he was about to deploy those divine weapons (astrāṇi), the earth (mahī), pervaded by his feet, trembled along with its trees (sadrumā).

Words meanings summery:

• अथ (atha) - then, thereupon, now, next

• प्रयोक्ष्यमाणेन (prayokṣyamāṇena) - by Arjuna, who was about to deploy (by one who is about to employ/use/deploy)

• दिव्यानि (divyāni) - divine, celestial

• अस्त्राणि (astrāṇi) - divine weapons (weapons, missiles)

• तेन (tena) - by Arjuna (by him, by that)

• वै (vai) - indeed, certainly, verily

• समाक्रान्ता (samākrāntā) - pervaded, covered, possessed, overcome

• मही (mahī) - earth, ground, land

• पद्भ्याम् (padbhyām) - by the feet, with the feet

• समकम्पत् (samakampat) - the earth trembled (it trembled, it shook)

• सद्रुमा (sadrumā) - with trees, having trees

Words meanings and morphology

अथ (atha) - then, thereupon, now, next

(indeclinable)

प्रयोक्ष्यमाणेन (prayokṣyamāṇena) - by Arjuna, who was about to deploy (by one who is about to employ/use/deploy)

(adjective)

Instrumental, masculine, singular of prayokṣyamāṇa

prayokṣyamāṇa - about to employ, about to use, about to deploy

Future Passive Participle

From root yuj with prefix pra and future suffix ṣya, plus śānac (middle voice participle) suffix.

Prefix: pra

Root: yuj (class 7)

Note: Qualifies 'tena'.

दिव्यानि (divyāni) - divine, celestial

(adjective)

Accusative, neuter, plural of divya

divya - divine, celestial, heavenly

Derived from div (heaven).

Note: Qualifies astrāṇi.

अस्त्राणि (astrāṇi) - divine weapons (weapons, missiles)

(noun)

Accusative, neuter, plural of astra

astra - weapon, missile

From root as (to throw, to hurl).

Root: as (class 4)

Note: Object of action implied by prayokṣyamāṇena.

तेन (tena) - by Arjuna (by him, by that)

(pronoun)

Instrumental, masculine, singular of tad

tad - that, he, it

Note: Refers to Arjuna.

वै (vai) - indeed, certainly, verily

(indeclinable)

An emphatic particle.

समाक्रान्ता (samākrāntā) - pervaded, covered, possessed, overcome

(adjective)

Nominative, feminine, singular of samākrānta

samākrānta - pervaded, covered, possessed, overcome

Past Passive Participle

From root kram with prefixes sam-ā.

Prefixes: sam+ā

Root: kram (class 1)

मही (mahī) - earth, ground, land

(noun)

Nominative, feminine, singular of mahī

mahī - earth, ground, land

Note: Subject of samakampat.

पद्भ्याम् (padbhyām) - by the feet, with the feet

(noun)

Instrumental, masculine, dual of pad

pad - foot, leg

Note: Instrumental of agency/means.

समकम्पत् (samakampat) - the earth trembled (it trembled, it shook)

(verb)

3rd person , singular, middle, past imperfect (laṅ) of sam-kamp

Prefix: sam

Root: kamp (class 1)

सद्रुमा (sadrumā) - with trees, having trees

(adjective)

Nominative, feminine, singular of sadruma

sadruma - with trees, having trees

Compound type : bahuvrihi (sa+druma)

• sa – with, together with
  indeclinable
  Prefix indicating 'with' or 'having'.
• druma – tree
  noun (masculine)