महाभारतः mahābhārataḥ - book-5, chapter-89, verse-21

न च तत्कारणं विद्मो यस्मिन्नो मधुसूदन ।
पूजां कृतां प्रीयमाणैर्नामंस्थाः पुरुषोत्तम ॥२१॥

21. na ca tatkāraṇaṁ vidmo yasminno madhusūdana ,
pūjāṁ kṛtāṁ prīyamāṇairnāmaṁsthāḥ puruṣottama.

21. na ca tat kāraṇam vidmaḥ yasmin naḥ madhusūdana
pūjām kṛtām prīyamāṇaiḥ na amaṃsthāḥ puruṣottama

21. And we do not know the reason, O Madhusūdana (Kṛṣṇa), for which you, O Puruṣottama (Kṛṣṇa), would not accept our offered honor (pūjā), even though it is rendered by us, who are pleased.

Words meanings summery:

• न (na) - not, no

• च (ca) - and, also

• तत् (tat) - that

• कारणम् (kāraṇam) - reason, cause

• विद्मः (vidmaḥ) - we know

• यस्मिन् (yasmin) - in which, by which (reason)

• नः (naḥ) - our (honor) (our, to us, for us)

• मधुसूदन (madhusūdana) - O Kṛṣṇa (O slayer of Madhu)

• पूजाम् (pūjām) - honor, worship, reverence

• कृताम् (kṛtām) - done, made, rendered

• प्रीयमाणैः (prīyamāṇaiḥ) - by us (the Kauravas) who are pleased (by those who are pleased/delighted)

• न (na) - not, no

• अमंस्थाः (amaṁsthāḥ) - you would consider/accept

• पुरुषोत्तम (puruṣottama) - O Kṛṣṇa (O best of men, O supreme person (puruṣa))

Words meanings and morphology

न (na) - not, no

(indeclinable)

Negative particle.

च (ca) - and, also

(indeclinable)

Conjunction.

तत् (tat) - that

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

Demonstrative pronoun.

Note: Qualifies kāraṇam.

कारणम् (kāraṇam) - reason, cause

(noun)

Accusative, neuter, singular of kāraṇa

kāraṇa - cause, reason, instrument, motive

From root kṛ (to do, make) + suffix ana.

Root: kṛ (class 8)

Note: Object of vidmaḥ.

विद्मः (vidmaḥ) - we know

(verb)

1st person , plural, active, present (laṭ) of vid

Root verb, 2nd class (adādigana).

Root: vid (class 2)

यस्मिन् (yasmin) - in which, by which (reason)

(pronoun)

Locative, neuter, singular of yad

yad - which, what, who

Relative pronoun.

Note: Expresses "for which reason" or "in which circumstance".

नः (naḥ) - our (honor) (our, to us, for us)

(pronoun)

Genitive, plural of asmad

asmad - I, we

First person pronoun, enclitic form.

Note: Enclitic form.

मधुसूदन (madhusūdana) - O Kṛṣṇa (O slayer of Madhu)

(proper noun)

Vocative, masculine, singular of madhusūdana

madhusūdana - slayer of the demon Madhu, epithet of Viṣṇu/Kṛṣṇa

Compound madhu (name of a demon) + sūdana (destroyer).

Compound type : tatpuruṣa (madhu+sūdana)

• madhu – honey, sweet, name of a demon
  proper noun (masculine)
• sūdana – destroying, killer, slayer
  noun (masculine)
  agent noun
  From root sūd (to destroy, kill).
  Root: sūd (class 10)

पूजाम् (pūjām) - honor, worship, reverence

(noun)

Accusative, feminine, singular of pūjā

pūjā - honor, worship, reverence, adoration

From root pūj (to honor).

Root: pūj (class 10)

Note: Object of amaṃsthāḥ.

कृताम् (kṛtām) - done, made, rendered

(adjective)

Accusative, feminine, singular of kṛta

kṛta - done, made, accomplished, rendered

Past Passive Participle

From root kṛ (to do, make).

Root: kṛ (class 8)

Note: Qualifies pūjām.

प्रीयमाणैः (prīyamāṇaiḥ) - by us (the Kauravas) who are pleased (by those who are pleased/delighted)

(adjective)

Instrumental, masculine, plural of prīyamāṇa

prīyamāṇa - being pleased, delighting, gladdening

Present Middle Participle

From root prī (to please, to delight).

Root: prī (class 9)

Note: Refers to the agent, here Duryodhana and his party.

न (na) - not, no

(indeclinable)

Negative particle.

Note: Negates amaṃsthāḥ.

अमंस्थाः (amaṁsthāḥ) - you would consider/accept

(verb)

2nd person , singular, middle, aorist (luṅ) of man

Aorist Middle, 2nd person singular.

Injunctive/Aorist form of root man (4th class), with augment a-.

Root: man (class 4)

पुरुषोत्तम (puruṣottama) - O Kṛṣṇa (O best of men, O supreme person (puruṣa))

(proper noun)

Vocative, masculine, singular of puruṣottama

puruṣottama - best of men, highest (puruṣa) (cosmic person), supreme being, epithet of Viṣṇu/Kṛṣṇa

Compound puruṣa (man, cosmic person (puruṣa)) + uttama (best, highest).

Compound type : tatpuruṣa (puruṣa+uttama)

• puruṣa – man, person, human being, the cosmic person (puruṣa)
  noun (masculine)
  Root: pṛ (class 3)
• uttama – highest, best, supreme, principal
  adjective (masculine)
  Superlative form of ud.