महाभारतः mahābhārataḥ - book-1, chapter-143, verse-37

कृत्यकाल उपस्थास्ये पितॄनिति घटोत्कचः ।
आमन्त्र्य राक्षसश्रेष्ठः प्रतस्थे चोत्तरां दिशम् ॥३७॥

37. kṛtyakāla upasthāsye pitṝniti ghaṭotkacaḥ ,
āmantrya rākṣasaśreṣṭhaḥ pratasthe cottarāṁ diśam.

37. kṛtyakālaḥ upa-sthāsye pitṝn iti ghaṭotkacaḥ āmantrya
rākṣasa-śreṣṭhaḥ pra-tasthe ca uttarām diśam

37. "I will be present for my fathers at the appointed time (kāla)," said Ghaṭotkaca. Having taken leave, that foremost of Rākṣasas departed towards the northern direction.

Words meanings summery:

• कृत्यकालः (kṛtyakālaḥ) - appointed time (proper time, appointed time, time for action)

• उप-स्थास्ये (upa-sthāsye) - I will be present (I will stand near, I will appear, I will be present)

• पितॄन् (pitṝn) - fathers (Pāṇḍavas) (fathers, ancestors)

• इति (iti) - thus, so

• घटोत्कचः (ghaṭotkacaḥ) - Ghaṭotkaca

• आमन्त्र्य (āmantrya) - having taken leave (having invited, having bid farewell, having taken leave)

• राक्षस-श्रेष्ठः (rākṣasa-śreṣṭhaḥ) - foremost of Rākṣasas, best Rākṣasa

• प्र-तस्थे (pra-tasthe) - departed, set out, went forth

• च (ca) - and, also

• उत्तराम् (uttarām) - northern (northern, upper, later)

• दिशम् (diśam) - direction, quarter, region

Words meanings and morphology

कृत्यकालः (kṛtyakālaḥ) - appointed time (proper time, appointed time, time for action)

(noun)

Nominative, masculine, singular of kṛtyakāla

kṛtyakāla - proper time, appointed time, time for action

Compound type : tatpuruṣa (kṛtya+kāla)

• kṛtya – to be done, proper to be done, duty
  adjective (neuter)
  Gerundive
  Derived from the root kṛ (to do, make).
  Root: kṛ (class 8)
• kāla – time, season, proper time
  noun (masculine)

उप-स्थास्ये (upa-sthāsye) - I will be present (I will stand near, I will appear, I will be present)

(verb)

1st person , singular, middle, future (lṛṭ) of sthā

With upasarga upa- it means to approach, attend, be present.

Prefix: upa

Root: sthā (class 1)

पितॄन् (pitṝn) - fathers (Pāṇḍavas) (fathers, ancestors)

(noun)

Accusative, masculine, plural of pitṛ

pitṛ - father, ancestor

इति (iti) - thus, so

(indeclinable)

घटोत्कचः (ghaṭotkacaḥ) - Ghaṭotkaca

(proper noun)

Nominative, masculine, singular of ghaṭotkaca

ghaṭotkaca - Ghaṭotkaca, name of a rākṣasa, son of Bhīma and Hiḍimbā

आमन्त्र्य (āmantrya) - having taken leave (having invited, having bid farewell, having taken leave)

(indeclinable)

Absolutive (Gerund)

Derived from the root mantr (to advise) with prefix ā.

Prefix: ā

Root: mantr (class 10)

राक्षस-श्रेष्ठः (rākṣasa-śreṣṭhaḥ) - foremost of Rākṣasas, best Rākṣasa

(noun)

Nominative, masculine, singular of rākṣasa-śreṣṭha

rākṣasa-śreṣṭha - foremost of Rākṣasas, best Rākṣasa

Compound type : tatpuruṣa (rākṣasa+śreṣṭha)

• rākṣasa – a Rākṣasa, demon
  noun (masculine)
• śreṣṭha – best, excellent, most excellent
  adjective (masculine)
  Superlative of praśasya (excellent).

प्र-तस्थे (pra-tasthe) - departed, set out, went forth

(verb)

3rd person , singular, middle, perfect (liṭ) of sthā

With upasarga pra- it means to set out, depart, proceed.

Prefix: pra

Root: sthā (class 1)

च (ca) - and, also

(indeclinable)

उत्तराम् (uttarām) - northern (northern, upper, later)

(adjective)

Accusative, feminine, singular of uttara

uttara - northern, upper, later, subsequent, superior, answering

दिशम् (diśam) - direction, quarter, region

(noun)

Accusative, feminine, singular of diś

diś - direction, quarter, region, point of the compass