महाभारतः mahābhārataḥ - book-2, chapter-41, verse-10

द्रोणं द्रौणिं च साधु त्वं पितापुत्रौ महारथौ ।
स्तुहि स्तुत्याविमौ भीष्म सततं द्विजसत्तमौ ॥१०॥

10. droṇaṁ drauṇiṁ ca sādhu tvaṁ pitāputrau mahārathau ,
stuhi stutyāvimau bhīṣma satataṁ dvijasattamau.

10. droṇam drauṇim ca sādhu tvam pitāputrau mahārathau
stuhi stutyau imau bhīṣma satatam dvijasattamau

10. O Bhishma, you should indeed constantly praise these two, Drona and Drona's son (Drauṇi) – the father and son, both great charioteers and the best among the twice-born (dvija) – for they are worthy of praise.

Words meanings summery:

• द्रोणम् (droṇam) - Drona

• द्रौणिम् (drauṇim) - Drona's son (Ashvatthama)

• च (ca) - and

• साधु (sādhu) - well, properly, indeed

• त्वम् (tvam) - you

• पितापुत्रौ (pitāputrau) - Referring to Drona and Drauṇi. (father and son)

• महारथौ (mahārathau) - great charioteers

• स्तुहि (stuhi) - praise! eulogize!

• स्तुत्यौ (stutyau) - praiseworthy, worthy of praise

• इमौ (imau) - these two

• भीष्म (bhīṣma) - O Bhishma

• सततम् (satatam) - constantly, always

• द्विजसत्तमौ (dvijasattamau) - best among the twice-born (Brahmins)

Words meanings and morphology

द्रोणम् (droṇam) - Drona

(proper noun)

Accusative, masculine, singular of droṇa

droṇa - Drona (a proper name, a character in the Mahabharata, guru of the Kauravas and Pandavas)

द्रौणिम् (drauṇim) - Drona's son (Ashvatthama)

(proper noun)

Accusative, masculine, singular of drauṇi

drauṇi - son of Drona; Ashvatthama (a proper name, a character in the Mahabharata)

Patronymic from Droṇa

च (ca) - and

(indeclinable)

साधु (sādhu) - well, properly, indeed

(indeclinable)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

पितापुत्रौ (pitāputrau) - Referring to Drona and Drauṇi. (father and son)

(noun)

Accusative, masculine, dual of pitṛputra

pitṛputra - father and son

Compound type : dvandva (pitṛ+putra)

• pitṛ – father
  noun (masculine)
• putra – son
  noun (masculine)

Note: Agreeing with Droṇa and Drauṇi in dual accusative.

महारथौ (mahārathau) - great charioteers

(noun)

Accusative, masculine, dual of mahāratha

mahāratha - great warrior, great charioteer

Compound type : karmadhāraya (mahā+ratha)

• mahā – great, mighty
  adjective
• ratha – chariot, warrior (in a chariot)
  noun (masculine)

Note: Agreeing with Droṇa and Drauṇi in dual accusative.

स्तुहि (stuhi) - praise! eulogize!

(verb)

2nd person , singular, active, imperative (loṭ) of stu

Root: stu (class 2)

स्तुत्यौ (stutyau) - praiseworthy, worthy of praise

(adjective)

Accusative, masculine, dual of stutya

stutya - praiseworthy, laudable, to be praised

gerundive (future passive participle)

formed from root stu with suffix -ya (or -tya)

Root: stu (class 2)

Note: Agreeing with imau, Droṇa and Drauṇi in dual accusative.

इमौ (imau) - these two

(pronoun)

Accusative, masculine, dual of idam

idam - this, this one, he, she, it

Note: Refers to Droṇa and Drauṇi.

भीष्म (bhīṣma) - O Bhishma

(proper noun)

Vocative, masculine, singular of bhīṣma

bhīṣma - Bhishma (a proper name, a character in the Mahabharata)

सततम् (satatam) - constantly, always

(indeclinable)

द्विजसत्तमौ (dvijasattamau) - best among the twice-born (Brahmins)

(adjective)

Accusative, masculine, dual of dvijasattama

dvijasattama - best of Brahmins, best of the twice-born

Compound type : tatpuruṣa (dvija+sattama)

• dvija – twice-born (referring to Brahmins, Kshatriyas, Vaishyas after initiation; also bird, tooth)
  noun (masculine)
• sattama – best, most excellent
  adjective (masculine)
  Superlative degree of 'sat' (good, virtuous)

Note: Agreeing with imau, Droṇa and Drauṇi in dual accusative.