महाभारतः mahābhārataḥ - book-13, chapter-120, verse-7

अचिरेणैव कालेन कीटः पार्थिवसत्तम ।
प्रजापालनधर्मेण प्रेत्य विप्रत्वमागतः ॥७॥

7. acireṇaiva kālena kīṭaḥ pārthivasattama ,
prajāpālanadharmeṇa pretya vipratvamāgataḥ.

7. acireṇa eva kālena kīṭaḥ pārthivasattama
prajāpālanadharmeṇa pretya vipratvam āgataḥ

7. pārthivasattama kīṭaḥ acireṇa eva kālena
prajāpālanadharmeṇa pretya vipratvam āgataḥ

7. O best among kings (pārthivasattama), the worm, in a short time, having passed away, attained the state of a brahmin by virtue of its natural law (dharma) of protecting subjects.

Words meanings summery:

• अचिरेण (acireṇa) - in a short time (in a short time, quickly)

• एव (eva) - indeed, certainly (only, just, indeed, certainly)

• कालेन (kālena) - in time (by time, in time)

• कीटः (kīṭaḥ) - the worm (referring to the previous birth of the brahmin) (worm, insect)

• पार्थिवसत्तम (pārthivasattama) - O best among kings

• प्रजापालनधर्मेण (prajāpālanadharmeṇa) - by the intrinsic nature (dharma) of protecting subjects, which the worm followed (by the (dharma) of protecting subjects)

• प्रेत्य (pretya) - having died (in its worm form) (having died, after death)

• विप्रत्वम् (vipratvam) - the state of being a brahmin (a higher birth) (brahmin-hood, state of being a brahmin)

• आगतः (āgataḥ) - attained (come, arrived, attained)

Words meanings and morphology

अचिरेण (acireṇa) - in a short time (in a short time, quickly)

(adjective)

Instrumental, neuter, singular of acira

acira - not long, short, swift

'a' (negation) + 'cira' (long)

Compound type : tatpurusha (a+cira)

• a – not, non
  indeclinable
  negative prefix
• cira – long (time), lasting, ancient
  adjective (masculine)

Note: Used adverbially.

एव (eva) - indeed, certainly (only, just, indeed, certainly)

(indeclinable)

कालेन (kālena) - in time (by time, in time)

(noun)

Instrumental, masculine, singular of kāla

kāla - time, black (as adjective)

Note: Used adverbially.

कीटः (kīṭaḥ) - the worm (referring to the previous birth of the brahmin) (worm, insect)

(noun)

Nominative, masculine, singular of kīṭa

kīṭa - worm, insect, larva

पार्थिवसत्तम (pārthivasattama) - O best among kings

(noun)

Vocative, masculine, singular of pārthivasattama

pārthivasattama - best of kings, chief of rulers

compound of pārthiva and sattama

Compound type : tatpurusha (pārthiva+sattama)

• pārthiva – earthly, terrestrial, a king, ruler
  noun (masculine)
  derived from pṛthivī (earth)
• sattama – best, most excellent
  adjective (masculine)
  superlative of sat (good, existing)

Note: Used as an address to Yudhiṣṭhira.

प्रजापालनधर्मेण (prajāpālanadharmeṇa) - by the intrinsic nature (dharma) of protecting subjects, which the worm followed (by the (dharma) of protecting subjects)

(noun)

Instrumental, masculine, singular of prajāpālanadharma

prajāpālanadharma - the (dharma) of protecting subjects, duty of ruling

compound of prajā, pālana, and dharma

Compound type : tatpurusha (prajā+pālana+dharma)

• prajā – offspring, progeny, subjects (of a king), people
  noun (feminine)
  Prefix: pra
• pālana – protecting, guarding, nourishing, fostering
  noun (neuter)
  derived from root √pāl (to protect)
  Root: pāl (class 1)
• dharma – law, duty, righteousness, virtue, intrinsic nature, constitution
  noun (masculine)
  Root: dhṛ (class 1)

Note: Refers to the action (or natural characteristic) of the worm.

प्रेत्य (pretya) - having died (in its worm form) (having died, after death)

(indeclinable)

absolutive (indeclinable past participle)

from pra- + √i (to go)

Prefix: pra

Root: i (class 2)

विप्रत्वम् (vipratvam) - the state of being a brahmin (a higher birth) (brahmin-hood, state of being a brahmin)

(noun)

Accusative, neuter, singular of vipratva

vipratva - the state of being a brahmin, brahmin-hood

derived from vipra (brahmin) + -tva (suffix for 'state of being')

आगतः (āgataḥ) - attained (come, arrived, attained)

(adjective)

Nominative, masculine, singular of āgata

āgata - come, arrived, obtained, attained

Past Passive Participle

from ā- + √gam (to go)

Prefix: ā

Root: gam (class 1)

Note: Predicative adjective with implied verb 'to be'.