महाभारतः mahābhārataḥ - book-5, chapter-132, verse-32

उष्य सौवीरकन्याभिः श्लाघस्वार्थैर्यथा पुरा ।
मा च सैन्धवकन्यानामवसन्नो वशं गमः ॥३२॥

32. uṣya sauvīrakanyābhiḥ ślāghasvārthairyathā purā ,
mā ca saindhavakanyānāmavasanno vaśaṁ gamaḥ.

32. uşya sauvīrakanyābhiḥ ślāghasva arthaiḥ yathā purā
mā ca saindhavakanyānām avasannaḥ vaśam gamaḥ

32. purā yathā sauvīrakanyābhiḥ uşya arthaiḥ ślāghasva.
ca avasannaḥ saindhavakanyānām vaśam mā gamaḥ.

32. Having once resided with the maidens of Sauvīra, boast of your former prosperity as you did before. And do not, being disheartened, fall under the control of the Sindhu maidens.

Words meanings summery:

• उşय (uşya) - having lived, having dwelled

• सौवीरकन्याभिः (sauvīrakanyābhiḥ) - by/with the maidens of Sauvīra

• श्लाघस्व (ślāghasva) - boast, praise yourself

• अर्थैः (arthaiḥ) - referring to material prosperity or resources (with wealth, with means, for purposes)

• यथा (yathā) - as, just as, in what manner

• पुरा (purā) - formerly, before, in ancient times

• मा (mā) - do not (prohibitive)

• च (ca) - and

• सैन्धवकन्यानाम् (saindhavakanyānām) - of the maidens of Sindhu

• अवसन्नः (avasannaḥ) - disheartened, dejected, fallen

• वशम् (vaśam) - used with 'gam' to mean 'to go under the control of' (control, power, will)

• गमः (gamaḥ) - go

Words meanings and morphology

उşय (uşya) - having lived, having dwelled

(indeclinable)

Absolutive/Gerund

From root vas (to dwell), irregular absolutive form.

Root: vas (class 1)

सौवीरकन्याभिः (sauvīrakanyābhiḥ) - by/with the maidens of Sauvīra

(noun)

Instrumental, feminine, plural of sauvīrakanyā

sauvīrakanyā - maiden of Sauvīra

Compound type : tatpuruṣa (sauvīra+kanyā)

• sauvīra – name of a country/people
  proper noun (masculine)
• kanyā – maiden, girl, daughter
  noun (feminine)

श्लाघस्व (ślāghasva) - boast, praise yourself

(verb)

2nd person , singular, middle, imperative (loṭ) of ślāgh

Root: ślāgh (class 1)

अर्थैः (arthaiḥ) - referring to material prosperity or resources (with wealth, with means, for purposes)

(noun)

Instrumental, masculine, plural of artha

artha - wealth, purpose, meaning, object

यथा (yathā) - as, just as, in what manner

(indeclinable)

पुरा (purā) - formerly, before, in ancient times

(indeclinable)

मा (mā) - do not (prohibitive)

(indeclinable)

च (ca) - and

(indeclinable)

सैन्धवकन्यानाम् (saindhavakanyānām) - of the maidens of Sindhu

(noun)

Genitive, feminine, plural of saindhavakanyā

saindhavakanyā - maiden of Sindhu

Compound type : tatpuruṣa (saindhava+kanyā)

• saindhava – related to Sindhu, an inhabitant of Sindhu
  adjective (masculine)
  Derivative of Sindhu
• kanyā – maiden, girl, daughter
  noun (feminine)

अवसन्नः (avasannaḥ) - disheartened, dejected, fallen

(adjective)

Nominative, masculine, singular of avasanna

avasanna - dejected, dispirited, sunk, fallen

Past Passive Participle

From root sad (to sit, sink) with prefix ava

Prefix: ava

Root: sad (class 1)

वशम् (vaśam) - used with 'gam' to mean 'to go under the control of' (control, power, will)

(noun)

Accusative, masculine, singular of vaśa

vaśa - will, power, control, authority

गमः (gamaḥ) - go

(verb)

2nd person , singular, active, aorist (luṅ) of gam

Root: gam (class 1)

Note: This is an aorist injunctive form (maṅ) used for prohibition, functionally equivalent to an imperative in this context.