महाभारतः mahābhārataḥ - book-7, chapter-35, verse-30

हितप्रियंवदैः काले बहुभिः पुण्यगन्धिभिः ।
द्विषच्छिरोभिः पृथिवीमवतस्तार फाल्गुणिः ॥३०॥

30. hitapriyaṁvadaiḥ kāle bahubhiḥ puṇyagandhibhiḥ ,
dviṣacchirobhiḥ pṛthivīmavatastāra phālguṇiḥ.

30. hitapriyaṃvadaiḥ kāle bahubhiḥ puṇyagandhibhiḥ
dviṣat śirobhiḥ pṛthivīm avatastāra phālguṇiḥ

30. phālguṇiḥ kāle hitapriyaṃvadaiḥ bahubhiḥ
puṇyagandhibhiḥ dviṣat śirobhiḥ pṛthivīm avatastāra

30. At the opportune moment, Arjuna (phālguṇi) covered the earth with countless heads of enemies, which, in their demise, were beneficial and pleasing, and redolent with merit.

Words meanings summery:

• हितप्रियंवदैः (hitapriyaṁvadaiḥ) - by the heads (whose destruction was beneficial and pleasing) (by those speaking beneficial and pleasing words; by beneficial and pleasing things/persons)

• काले (kāle) - in time, at the proper time, at the opportune moment

• बहुभिः (bahubhiḥ) - by many

• पुण्यगन्धिभिः (puṇyagandhibhiḥ) - by the heads (which were fragrant with merit due to the righteous war) (by those fragrant with merit)

• द्विषत् (dviṣat) - enemy (as part of 'enemy heads') (enemy, hostile)

• शिरोभिः (śirobhiḥ) - by heads

• पृथिवीम् (pṛthivīm) - the earth

• अवतस्तार (avatastāra) - covered, spread over

• फाल्गुणिः (phālguṇiḥ) - Arjuna (son of Phalgunī)

Words meanings and morphology

हितप्रियंवदैः (hitapriyaṁvadaiḥ) - by the heads (whose destruction was beneficial and pleasing) (by those speaking beneficial and pleasing words; by beneficial and pleasing things/persons)

(adjective)

Instrumental, masculine, plural of hitapriyaṃvada

hitapriyaṁvada - speaking beneficial and pleasing words; beneficial and pleasing

Compound type : Bahuvrihi (hita+priya+vada)

• hita – beneficial, good, suitable
  adjective
  Past Passive Participle
  From root 'dhā' (to place) or 'hi' (to send), meaning 'placed, suitable', here used as an adjective 'beneficial'.
  Root: dhā (class 3)
• priya – dear, beloved, pleasing
  adjective
• vada – speaking, speaker
  noun (masculine)
  From root 'vad' (to speak). Here forms part of a compound.
  Root: vad (class 1)

काले (kāle) - in time, at the proper time, at the opportune moment

(noun)

Locative, masculine, singular of kāla

kāla - time, season, moment

बहुभिः (bahubhiḥ) - by many

(adjective)

Instrumental, masculine, plural of bahu

bahu - many, much

पुण्यगन्धिभिः (puṇyagandhibhiḥ) - by the heads (which were fragrant with merit due to the righteous war) (by those fragrant with merit)

(adjective)

Instrumental, masculine, plural of puṇyagandhi

puṇyagandhi - fragrant with virtue/merit

Compound type : Bahuvrihi (puṇya+gandhin)

• puṇya – virtuous, meritorious act, merit
  noun (neuter)
• gandhin – having fragrance, fragrant
  adjective
  Derived from 'gandha' (smell/fragrance).
  Root: gandh (class 10)

द्विषत् (dviṣat) - enemy (as part of 'enemy heads') (enemy, hostile)

(adjective)

masculine, plural of dviṣat

dviṣat - hostile, hating, enemy

Present Active Participle

Present active participle of the root 'dviṣ' (to hate).

Root: dviṣ (class 2)

Note: Here `dviṣat` acts as an adjective within the compound `dviṣacchirobhiḥ` (enemy heads), hence its case is effectively absorbed by the compound. The form `dviṣat` is the stem.

शिरोभिः (śirobhiḥ) - by heads

(noun)

Instrumental, neuter, plural of śiras

śiras - head

पृथिवीम् (pṛthivīm) - the earth

(noun)

Accusative, feminine, singular of pṛthivī

pṛthivī - earth, ground

अवतस्तार (avatastāra) - covered, spread over

(verb)

3rd person , singular, active, perfect (Lit) of ava-tṛ

Prefix: ava

Root: tṛ (class 1)

फाल्गुणिः (phālguṇiḥ) - Arjuna (son of Phalgunī)

(proper noun)

Nominative, masculine, singular of phālguṇi

phālguṇi - Arjuna (son of Phalgunī, an epithet for Uttara Phalguni, the star under which Arjuna was born)