महाभारतः mahābhārataḥ - book-3, chapter-2, verse-65

ततः संकल्पवीर्येण कामेन विषयेषुभिः ।
विद्धः पतति लोभाग्नौ ज्योतिर्लोभात्पतंगवत् ॥६५॥

65. tataḥ saṁkalpavīryeṇa kāmena viṣayeṣubhiḥ ,
viddhaḥ patati lobhāgnau jyotirlobhātpataṁgavat.

65. tataḥ saṅkalpavīryeṇa kāmena viṣayeṣubhiḥ
viddhaḥ patati lobhāgnau jyotiḥ lobhāt pataṅgavat

65. Then, a person, pierced by desire (kāma)—whose strength is rooted in resolution and whose arrows are sense-objects—falls into the fire of greed, just as a moth, out of attraction for light, falls into a flame.

Words meanings summery:

• ततः (tataḥ) - then (then, thence, thereafter)

• सङ्कल्पवीर्येण (saṅkalpavīryeṇa) - by the strength of resolution (by the strength of resolve/intention)

• कामेन (kāmena) - by desire (kāma) (by desire, by love)

• विषयेषुभिः (viṣayeṣubhiḥ) - whose arrows are sense-objects (by those whose arrows are sense-objects)

• विद्धः (viddhaḥ) - pierced (pierced, struck, wounded)

• पतति (patati) - falls (falls, drops)

• लोभाग्नौ (lobhāgnau) - into the fire of greed

• ज्योतिः (jyotiḥ) - a flame (light, flame, luster)

• लोभात् (lobhāt) - out of attraction / from greed (from greed, due to greed, out of desire)

• पतङ्गवत् (pataṅgavat) - like a moth (like a moth, like a bird)

Words meanings and morphology

ततः (tataḥ) - then (then, thence, thereafter)

(indeclinable)

Adverbial form from pronominal base tad

सङ्कल्पवीर्येण (saṅkalpavīryeṇa) - by the strength of resolution (by the strength of resolve/intention)

(noun)

Instrumental, neuter, singular of saṅkalpavīrya

saṅkalpavīrya - strength of resolve, power of intention

Tatpurusha compound

Compound type : tatpurusha (saṅkalpa+vīrya)

• saṅkalpa – thought, intention, resolve, conception
  noun (masculine)
  Prefix: sam
• vīrya – strength, power, heroism, virility
  noun (neuter)

Note: Describes the instrument of kāmena (desire)

कामेन (kāmena) - by desire (kāma) (by desire, by love)

(noun)

Instrumental, masculine, singular of kāma

kāma - desire, wish, love, pleasure

From root kam (to desire)

Root: kam (class 1)

Note: Agent of piercing

विषयेषुभिः (viṣayeṣubhiḥ) - whose arrows are sense-objects (by those whose arrows are sense-objects)

(adjective)

Instrumental, masculine, plural of viṣayeṣu

viṣayeṣu - having sense-objects as arrows

Bahuvrīhi compound

Compound type : bahuvrīhi (viṣaya+iṣu)

• viṣaya – object, sense-object
  noun (masculine)
• iṣu – arrow
  noun (masculine)

Note: Despite being plural, it refers to Kāma who is singular, implying 'by him who has many sense-object arrows'.

विद्धः (viddhaḥ) - pierced (pierced, struck, wounded)

(adjective)

Nominative, masculine, singular of viddha

viddha - pierced, struck, wounded

Past Passive Participle

From root vyadh (to pierce, strike)

Root: vyadh (class 4)

पतति (patati) - falls (falls, drops)

(verb)

3rd person , singular, active, present (laṭ) of pat

Present tense, 3rd person singular

From root pat (class 1, patati)

Root: pat (class 1)

लोभाग्नौ (lobhāgnau) - into the fire of greed

(noun)

Locative, masculine, singular of lobhāgni

lobhāgni - fire of greed

Tatpurusha compound: lobha (greed) + agni (fire)

Compound type : tatpurusha (lobha+agni)

• lobha – greed, avarice, covetousness
  noun (masculine)
• agni – fire
  noun (masculine)

Note: Denotes the place where one falls

ज्योतिः (jyotiḥ) - a flame (light, flame, luster)

(noun)

Nominative, neuter, singular of jyotis

jyotis - light, flame, luster, splendor

From root dyut (to shine)

Root: dyut (class 1)

Note: Subject of the implied verb "falls" in the simile

लोभात् (lobhāt) - out of attraction / from greed (from greed, due to greed, out of desire)

(noun)

Ablative, masculine, singular of lobha

lobha - greed, avarice, covetousness, attraction

From root lubh (to covet, desire)

Root: lubh (class 4)

Note: Denotes the reason or cause for falling

पतङ्गवत् (pataṅgavat) - like a moth (like a moth, like a bird)

(indeclinable)

Adverb formed with vat suffix meaning "like". From pataṅga