महाभारतः mahābhārataḥ - book-1, chapter-168, verse-21

ततः प्रविष्टे राजेन्द्रे तस्मिन्राजनि तां पुरीम् ।
तस्य राज्ञोऽऽज्ञया देवी वसिष्ठमुपचक्रमे ॥२१॥

21. tataḥ praviṣṭe rājendre tasminrājani tāṁ purīm ,
tasya rājño''jñayā devī vasiṣṭhamupacakrame.

21. tataḥ praviṣṭe rājendre tasmin rājani tām purīm
tasya rājñaḥ ājñayā devī vasiṣṭham upacakrame

21. Then, when that king, the foremost of rulers (Rama), had entered the city, the queen (Kauśalyā), by the command of that king (Daśaratha), approached Vasiṣṭha.

Words meanings summery:

• ततः (tataḥ) - then (then, thereupon, from there)

• प्रविष्टे (praviṣṭe) - when had entered (when entered, having entered)

• राजेन्द्रे (rājendre) - to the foremost of rulers (Rama) (in/to the chief of kings, foremost of rulers)

• तस्मिन् (tasmin) - in that (king) (in that, in him)

• राजनि (rājani) - in the king (Rama) (in the king, to the king)

• ताम् (tām) - that (city) (that (feminine), her)

• पुरीम् (purīm) - the city (city, town (accusative))

• तस्य (tasya) - of that (king Dasharatha) (his, its, of that)

• राज्ञः (rājñaḥ) - of the king (Dasharatha) (of the king)

• आज्ञया (ājñayā) - by the command (by command, by order)

• देवी (devī) - the queen (Kauśalyā) (queen, goddess)

• वसिष्ठम् (vasiṣṭham) - Vasiṣṭha (Vasistha (accusative))

• उपचक्रमे (upacakrame) - she approached (she approached, she undertook)

Words meanings and morphology

ततः (tataḥ) - then (then, thereupon, from there)

(indeclinable)

प्रविष्टे (praviṣṭe) - when had entered (when entered, having entered)

(adjective)

Locative, masculine, singular of praviṣṭa

praviṣṭa - entered, penetrated, gone into

Past Passive Participle

from prefix pra + root viś (to enter) + kta suffix

Prefix: pra

Root: viś (class 6)

Note: Used in locative absolute construction.

राजेन्द्रे (rājendre) - to the foremost of rulers (Rama) (in/to the chief of kings, foremost of rulers)

(noun)

Locative, masculine, singular of rājendra

rājendra - chief of kings, foremost of rulers (lit. 'king-Indra')

Compound type : tatpurusha (rājan+indra)

• rājan – king, ruler
  noun (masculine)
• indra – Indra (name of a deity), chief, best
  noun (masculine)

तस्मिन् (tasmin) - in that (king) (in that, in him)

(pronoun)

Locative, masculine, singular of tad

tad - that, he, she, it

राजनि (rājani) - in the king (Rama) (in the king, to the king)

(noun)

Locative, masculine, singular of rājan

rājan - king, ruler, sovereign

ताम् (tām) - that (city) (that (feminine), her)

(pronoun)

Accusative, feminine, singular of tad

tad - that, he, she, it

पुरीम् (purīm) - the city (city, town (accusative))

(noun)

Accusative, feminine, singular of purī

purī - city, town, stronghold

तस्य (tasya) - of that (king Dasharatha) (his, its, of that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

राज्ञः (rājñaḥ) - of the king (Dasharatha) (of the king)

(noun)

Genitive, masculine, singular of rājan

rājan - king, ruler, sovereign

आज्ञया (ājñayā) - by the command (by command, by order)

(noun)

Instrumental, feminine, singular of ājñā

ājñā - command, order, permission, authority

देवी (devī) - the queen (Kauśalyā) (queen, goddess)

(noun)

Nominative, feminine, singular of devī

devī - goddess, queen, royal lady

वसिष्ठम् (vasiṣṭham) - Vasiṣṭha (Vasistha (accusative))

(proper noun)

Accusative, masculine, singular of vasiṣṭha

vasiṣṭha - Vasiṣṭha (name of a celebrated Vedic sage), most excellent, best

उपचक्रमे (upacakrame) - she approached (she approached, she undertook)

(verb)

3rd person , singular, middle, perfect (Lit) of upakram

Prefix: upa

Root: kram (class 1)