महाभारतः mahābhārataḥ - book-7, chapter-164, verse-95

स्थिरा बुद्धिर्हि द्रोणस्य न पार्थो वक्ष्यतेऽनृतम् ।
त्रयाणामपि लोकानामैश्वर्यार्थे कथंचन ॥९५॥

95. sthirā buddhirhi droṇasya na pārtho vakṣyate'nṛtam ,
trayāṇāmapi lokānāmaiśvaryārthe kathaṁcana.

95. sthirā buddhiḥ hi droṇasya na pārthaḥ vakṣyate
anṛtam trayāṇām api lokānām aiśvaryārthe kathaṃcana

95. droṇasya buddhiḥ hi sthirā pārthaḥ trayāṇām api
lokānām aiśvaryārthe kathaṃcana anṛtam na vakṣyate

95. Drona's conviction was firm: Yudhishthira (Pārtha) would never utter an untruth, not even for the sake of sovereignty over the three worlds, under any circumstances.

Words meanings summery:

• स्थिरा (sthirā) - firm, steady, unwavering

• बुद्धिः (buddhiḥ) - conviction, firm belief (intellect, understanding, conviction, mind)

• हि (hi) - indeed, surely, because

• द्रोणस्य (droṇasya) - of Drona

• न (na) - not

• पार्थः (pārthaḥ) - Yudhishthira (Pārtha) (son of Pritha (Kunti))

• वक्ष्यते (vakṣyate) - will speak, will tell

• अनृतम् (anṛtam) - untruth, falsehood

• त्रयाणाम् (trayāṇām) - of the three

• अपि (api) - even, also, too

• लोकानाम् (lokānām) - of the worlds

• ऐश्वर्यार्थे (aiśvaryārthe) - for the sake of sovereignty, for the sake of dominion

• कथंचन (kathaṁcana) - under any circumstances (by any means, in any way, somehow)

Words meanings and morphology

स्थिरा (sthirā) - firm, steady, unwavering

(adjective)

Nominative, feminine, singular of sthira

sthira - firm, steady, stable, fixed, constant

Root: sthā (class 1)

बुद्धिः (buddhiḥ) - conviction, firm belief (intellect, understanding, conviction, mind)

(noun)

Nominative, feminine, singular of buddhi

buddhi - intellect, understanding, perception, mind, conviction

Derived from root 'budh' (to know, understand).

Root: budh (class 1)

हि (hi) - indeed, surely, because

(indeclinable)

द्रोणस्य (droṇasya) - of Drona

(proper noun)

Genitive, masculine, singular of droṇa

droṇa - Drona (proper noun, a guru and warrior in the Mahabharata)

न (na) - not

(indeclinable)

पार्थः (pārthaḥ) - Yudhishthira (Pārtha) (son of Pritha (Kunti))

(proper noun)

Nominative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kunti), Arjuna, Yudhishthira, Bhima

Patronymic from Pṛthā (Kunti).

वक्ष्यते (vakṣyate) - will speak, will tell

(verb)

3rd person , singular, middle, future (lṛṭ) of vac

Root: vac (class 2)

अनृतम् (anṛtam) - untruth, falsehood

(noun)

Accusative, neuter, singular of anṛta

anṛta - untruth, falsehood, lie

Formed by adding negative prefix 'an-' to 'ṛta' (truth, cosmic order).

त्रयाणाम् (trayāṇām) - of the three

(numeral)

अपि (api) - even, also, too

(indeclinable)

लोकानाम् (lokānām) - of the worlds

(noun)

Genitive, masculine, plural of loka

loka - world, realm, people

ऐश्वर्यार्थे (aiśvaryārthe) - for the sake of sovereignty, for the sake of dominion

(noun)

Locative, masculine, singular of aiśvaryārtha

aiśvaryārtha - for the sake of sovereignty/power

Compound type : tatpuruṣa (aiśvarya+artha)

• aiśvarya – sovereignty, dominion, power, lordliness
  noun (neuter)
• artha – purpose, aim, sake, meaning, wealth, object
  noun (masculine)

कथंचन (kathaṁcana) - under any circumstances (by any means, in any way, somehow)

(indeclinable)