महाभारतः mahābhārataḥ - book-3, chapter-222, verse-3

अथाब्रवीत्सत्यभामा कृष्णस्य महिषी प्रिया ।
सात्राजिती याज्ञसेनीं रहसीदं सुमध्यमा ॥३॥

3. athābravītsatyabhāmā kṛṣṇasya mahiṣī priyā ,
sātrājitī yājñasenīṁ rahasīdaṁ sumadhyamā.

3. atha abravīt satyabhāmā kṛṣṇasya mahiṣī priyā
| sātrājitī yājñasenīm rahasi idam sumadhyamā

3. Then Satyabhama, Krishna's beloved queen, the daughter of Satrājit and one with a beautiful waist, said this in private to Draupadi, the daughter of Drupada (Yājñasenī).

Words meanings summery:

• अथ (atha) - then, next, thereupon

• अब्रवीत् (abravīt) - he/she/it said, spoke

• सत्यभामा (satyabhāmā) - Satyabhama

• कृष्णस्य (kṛṣṇasya) - of Krishna

• महिषी (mahiṣī) - queen, chief wife

• प्रिया (priyā) - beloved, dear

• सात्राजिती (sātrājitī) - Another name for Satyabhama (Sātrājitī (daughter of Satrājit))

• याज्ञसेनीम् (yājñasenīm) - Draupadi (Yājñasenī (daughter of Yajñasena/Drupada))

• रहसि (rahasi) - in private, in secret

• इदम् (idam) - this (what she is about to say) (this)

• सुमध्यमा (sumadhyamā) - Referring to Satyabhama (fair-waisted, slender-waisted)

Words meanings and morphology

अथ (atha) - then, next, thereupon

(indeclinable)

अब्रवीत् (abravīt) - he/she/it said, spoke

(verb)

3rd person , singular, active, past imperfect (laṅ) of brū

Root: brū (class 2)

सत्यभामा (satyabhāmā) - Satyabhama

(proper noun)

Nominative, feminine, singular of satyabhāmā

satyabhāmā - Satyabhama (name of one of Krishna's wives)

कृष्णस्य (kṛṣṇasya) - of Krishna

(proper noun)

Genitive, masculine, singular of kṛṣṇa

kṛṣṇa - Krishna (name of a deity and hero)

महिषी (mahiṣī) - queen, chief wife

(noun)

Nominative, feminine, singular of mahiṣī

mahiṣī - a queen, chief wife (especially of a king)

प्रिया (priyā) - beloved, dear

(adjective)

Nominative, feminine, singular of priya

priya - dear, beloved, favorite, pleasing

सात्राजिती (sātrājitī) - Another name for Satyabhama (Sātrājitī (daughter of Satrājit))

(proper noun)

Nominative, feminine, singular of sātrājitī

sātrājitī - daughter of Satrājit

याज्ञसेनीम् (yājñasenīm) - Draupadi (Yājñasenī (daughter of Yajñasena/Drupada))

(proper noun)

Accusative, feminine, singular of yājñasenī

yājñasenī - daughter of Yajñasena or Drupada

रहसि (rahasi) - in private, in secret

(noun)

Locative, neuter, singular of rahas

rahas - secrecy, privacy, a secret place

इदम् (idam) - this (what she is about to say) (this)

(pronoun)

Accusative, neuter, singular of idam

idam - this

सुमध्यमा (sumadhyamā) - Referring to Satyabhama (fair-waisted, slender-waisted)

(adjective)

Nominative, feminine, singular of sumadhyamā

sumadhyamā - beautiful-waisted, slender-waisted

Compound type : praadi-samāsa (su+madhyamā)

• su – well, good, beautiful
  indeclinable
• madhyamā – middle, waist
  noun (feminine)