महाभारतः mahābhārataḥ - book-4, chapter-18, verse-10

योऽतर्पयदमेयात्मा खाण्डवे जातवेदसम् ।
सोऽन्तःपुरगतः पार्थः कूपेऽग्निरिव संवृतः ॥१०॥

10. yo'tarpayadameyātmā khāṇḍave jātavedasam ,
so'ntaḥpuragataḥ pārthaḥ kūpe'gniriva saṁvṛtaḥ.

10. yaḥ atarpayat ameyātmā khāṇḍave jātavedasam saḥ
antaḥpuragataḥ pārthaḥ kūpe agniḥ iva saṃvṛtaḥ

10. He whose spirit (ātman) is immeasurable, who satisfied Agni (jātavedas) in the Khāṇḍava forest – that Pārtha (Arjuna) is now dwelling within the inner apartments, like a fire covered in a well.

Words meanings summery:

• यः (yaḥ) - who, which

• अतर्पयत् (atarpayat) - satisfied, appeased, pleased

• अमेयात्मा (ameyātmā) - Arjuna, whose spirit is immeasurable (whose spirit is immeasurable, of boundless self)

• खाण्डवे (khāṇḍave) - in the Khāṇḍava forest

• जातवेदसम् (jātavedasam) - Agni, the fire god

• सः (saḥ) - he, that (masculine)

• अन्तःपुरगतः (antaḥpuragataḥ) - Arjuna, who is dwelling in the women's quarters (as Brihannala) (gone into the inner apartments, dwelling in the harem)

• पार्थः (pārthaḥ) - Pārtha, son of Pṛthā (Arjuna)

• कूपे (kūpe) - in a well

• अग्निः (agniḥ) - fire, the god Agni

• इव (iva) - like, as, as if

• संवृतः (saṁvṛtaḥ) - covered, concealed, hidden

Words meanings and morphology

यः (yaḥ) - who, which

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

अतर्पयत् (atarpayat) - satisfied, appeased, pleased

(verb)

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

Causative

Imperfect 3rd singular active, causative form from the root √tṛp (to satisfy).

Root: tṛp (class 4)

अमेयात्मा (ameyātmā) - Arjuna, whose spirit is immeasurable (whose spirit is immeasurable, of boundless self)

(adjective)

Nominative, masculine, singular of ameyātman

ameyātman - of immeasurable spirit, whose self is boundless

Compound type : bahuvrīhi (ameya+ātman)

• ameya – immeasurable, boundless, unfathomable
  adjective
  From a- (not) + √mā (to measure) + -ya (suffix).
  Prefix: a
  Root: mā (class 2)
• ātman – self, soul, spirit, essence
  noun (masculine)

खाण्डवे (khāṇḍave) - in the Khāṇḍava forest

(proper noun)

Locative, masculine, singular of khāṇḍava

khāṇḍava - name of a forest

जातवेदसम् (jātavedasam) - Agni, the fire god

(noun)

Accusative, masculine, singular of jātavedas

jātavedas - Agni (the fire god), fire, possessing knowledge of beings

Compound type : bahuvrīhi (jāta+vedas)

• jāta – born, produced, arisen
  past passive participle
  Past Passive Participle
  Derived from the root √jan (to be born).
  Root: jan (class 4)
• vedas – knowledge, wisdom, wealth
  noun (neuter)
  Root: vid (class 2)

सः (saḥ) - he, that (masculine)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

अन्तःपुरगतः (antaḥpuragataḥ) - Arjuna, who is dwelling in the women's quarters (as Brihannala) (gone into the inner apartments, dwelling in the harem)

(adjective)

Nominative, masculine, singular of antaḥpuragata

antaḥpuragata - gone into the inner apartments, dwelling in the harem

Compound type : tatpuruṣa (antar+pura+gata)

• antar – inner, interior, within
  indeclinable
  Indeclinable (adverbial) form of 'antas'.
• pura – city, fortress, palace, inner apartments
  noun (neuter)
• gata – gone, moved, attained
  past passive participle
  Past Passive Participle
  Derived from the root √gam (to go).
  Root: gam (class 1)

पार्थः (pārthaḥ) - Pārtha, son of Pṛthā (Arjuna)

(proper noun)

Nominative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī), name of Arjuna

A patronymic from Pṛthā.

कूपे (kūpe) - in a well

(noun)

Locative, masculine, singular of kūpa

kūpa - well, pit

अग्निः (agniḥ) - fire, the god Agni

(noun)

Nominative, masculine, singular of agni

agni - fire, the god Agni

इव (iva) - like, as, as if

(indeclinable)

संवृतः (saṁvṛtaḥ) - covered, concealed, hidden

(adjective)

Nominative, masculine, singular of saṃvṛta

saṁvṛta - covered, concealed, hidden

Past Passive Participle

Derived from the root √vṛ (to cover, to conceal) with prefix sam-.

Prefix: sam

Root: vṛ (class 5)