महाभारतः mahābhārataḥ - book-13, chapter-55, verse-18

अन्तर्हितश्चास्मि पुनः पुनरेव च ते गृहे ।
योगमास्थाय संविष्टो दिवसानेकविंशतिम् ॥१८॥

18. antarhitaścāsmi punaḥ punareva ca te gṛhe ,
yogamāsthāya saṁviṣṭo divasānekaviṁśatim.

18. antarhitaḥ ca asmi punaḥ punaḥ eva ca te gṛhe
yogam āsthāya saṃviṣṭaḥ divasān ekaviṃśatim

18. aham punaḥ punaḥ eva te gṛhe antarhitaḥ ca asmi
yogam āsthāya ekaviṃśatim divasān saṃviṣṭaḥ

18. I was hidden repeatedly, right in your house, having resorted to a state of (yoga) and remained there for twenty-one days.

Words meanings summery:

• अन्तर्हितः (antarhitaḥ) - hidden, concealed, disappeared

• च (ca) - and, also

• अस्मि (asmi) - I am

• पुनः (punaḥ) - again, repeatedly, moreover

• पुनः (punaḥ) - again, repeatedly, moreover

• एव (eva) - emphasizing the location ('right in your house') (indeed, only, just, exactly)

• च (ca) - and, also

• ते (te) - your (house) (your, to you)

• गृहे (gṛhe) - in the house

• योगम् (yogam) - a state of (yoga) ((yogic) practice, union, method)

• आस्थाय (āsthāya) - having resorted to, having adopted, having taken up

• संविष्टः (saṁviṣṭaḥ) - having remained, having settled in (having settled down, having entered, having sat, having lain)

• दिवसान् (divasān) - for the duration of days (days)

• एकविंशतिम् (ekaviṁśatim) - a period of twenty-one (days) (twenty-one)

Words meanings and morphology

अन्तर्हितः (antarhitaḥ) - hidden, concealed, disappeared

(adjective)

Nominative, masculine, singular of antarhita

antarhita - hidden, disappeared, contained within

Past Passive Participle

Derived from root dhā (to place) with prefix antar (within).

Prefix: antar

Root: dhā (class 3)

च (ca) - and, also

(indeclinable)

Conjunction

अस्मि (asmi) - I am

(verb)

1st person , singular, active, present (laṭ) of as

Present Indicative

1st person singular, active voice.

Root: as (class 2)

पुनः (punaḥ) - again, repeatedly, moreover

(indeclinable)

Adverb

पुनः (punaḥ) - again, repeatedly, moreover

(indeclinable)

Adverb

एव (eva) - emphasizing the location ('right in your house') (indeed, only, just, exactly)

(indeclinable)

Emphatic particle

च (ca) - and, also

(indeclinable)

Conjunction

ते (te) - your (house) (your, to you)

(pronoun)

Genitive, singular of yusmad

yusmad - you (singular/plural)

2nd person pronoun stem

Note: Can also be dative singular. Context implies genitive (your house).

गृहे (gṛhe) - in the house

(noun)

Locative, neuter, singular of gṛha

gṛha - house, home, dwelling

Neuter noun, a-stem.

योगम् (yogam) - a state of (yoga) ((yogic) practice, union, method)

(noun)

Accusative, masculine, singular of yoga

yoga - union, conjunction, application, effort, spiritual discipline (yoga), method, means

Masculine noun, a-stem. Derived from root yuj (to join, to connect).

Root: yuj (class 7)

Note: Object of āsthāya.

आस्थाय (āsthāya) - having resorted to, having adopted, having taken up

(indeclinable)

Absolutive (Gerund)

Derived from root sthā (to stand) with prefix ā.

Prefix: ā

Root: sthā (class 1)

संविष्टः (saṁviṣṭaḥ) - having remained, having settled in (having settled down, having entered, having sat, having lain)

(adjective)

Nominative, masculine, singular of saṃviṣṭa

saṁviṣṭa - entered, seated, reposed, settled, having lain down

Past Passive Participle

Derived from root viś (to enter) with prefix sam.

Prefix: sam

Root: viś (class 6)

दिवसान् (divasān) - for the duration of days (days)

(noun)

Accusative, masculine, plural of divasa

divasa - day

Masculine noun, a-stem.

Root: div

एकविंशतिम् (ekaviṁśatim) - a period of twenty-one (days) (twenty-one)

(numeral)

Compound type : dvandva (eka+viṃśati)

• eka – one, single, unique
  numeral (masculine)
• viṃśati – twenty
  numeral (feminine)

Note: Functions adverbially with 'divasān' to mean 'for twenty-one days'.