महाभारतः mahābhārataḥ - book-3, chapter-61, verse-41

राजा विदर्भाधिपतिः पिता मम महारथः ।
भीमो नाम क्षितिपतिश्चातुर्वर्ण्यस्य रक्षिता ॥४१॥

41. rājā vidarbhādhipatiḥ pitā mama mahārathaḥ ,
bhīmo nāma kṣitipatiścāturvarṇyasya rakṣitā.

41. rājā vidarbhādhipatiḥ pitā mama mahārathaḥ
bhīmaḥ nāma kṣitipatiḥ ca cāturvarṇyasya rakṣitā

41. My father, the king, who is the lord of Vidarbha and a great warrior, is named Bhīma. He is a ruler and the protector of the four social classes.

Words meanings summery:

• राजा (rājā) - The king who is the father of the speaker. (king, ruler)

• विदर्भाधिपतिः (vidarbhādhipatiḥ) - The ruler of the Vidarbha kingdom. (lord of Vidarbha)

• पिता (pitā) - The speaker's father. (father)

• मम (mama) - Refers to the speaker's father. (my, of me)

• महारथः (mahārathaḥ) - The father is described as a great warrior. (a great charioteer, a great warrior)

• भीमः (bhīmaḥ) - The proper name of the king, the father. (terrible, formidable, Bhīma (name))

• नाम (nāma) - Used adverbially to indicate that 'Bhīma' is the name. (by name, indeed, name)

• क्षितिपतिः (kṣitipatiḥ) - A synonym for king, referring to the father. (lord of the earth, king, ruler)

• च (ca) - Connects 'kṣitipati' and 'rakṣitā'. (and, also, moreover)

• चातुर्वर्ण्यस्य (cāturvarṇyasya) - Refers to the four social divisions in Vedic society (brāhmaṇa, kṣatriya, vaiśya, śūdra). (of the four classes (varṇas), of the fourfold social order)

• रक्षिता (rakṣitā) - The king acts as the protector of the four social classes. (protector, guardian)

Words meanings and morphology

राजा (rājā) - The king who is the father of the speaker. (king, ruler)

(noun)

Nominative, masculine, singular of rājan

rājan - king, ruler, sovereign

विदर्भाधिपतिः (vidarbhādhipatiḥ) - The ruler of the Vidarbha kingdom. (lord of Vidarbha)

(noun)

Nominative, masculine, singular of vidarbhādhipati

vidarbhādhipati - ruler of Vidarbha, lord of Vidarbha

Compound type : tatpurusha (vidarbha+adhipati)

• vidarbha – a country/region in ancient India, its inhabitants
  proper noun (masculine)
• adhipati – lord, ruler, master
  noun (masculine)

पिता (pitā) - The speaker's father. (father)

(noun)

Nominative, masculine, singular of pitṛ

pitṛ - father, paternal ancestor

मम (mama) - Refers to the speaker's father. (my, of me)

(pronoun)

Genitive, singular of asmad

asmad - I, we

महारथः (mahārathaḥ) - The father is described as a great warrior. (a great charioteer, a great warrior)

(noun)

Nominative, masculine, singular of mahāratha

mahāratha - a great charioteer, a great warrior, one who can fight a thousand foes

Compound type : karmadhāraya (mahā+ratha)

• mahā – great, large, mighty
  adjective
• ratha – chariot, car, warrior (often one who fights from a chariot)
  noun (masculine)

भीमः (bhīmaḥ) - The proper name of the king, the father. (terrible, formidable, Bhīma (name))

(proper noun)

Nominative, masculine, singular of bhīma

bhīma - terrible, formidable, awesome; Name of a king (father of Damayantī), name of a Pāṇḍava brother

Root: bhī (class 3)

नाम (nāma) - Used adverbially to indicate that 'Bhīma' is the name. (by name, indeed, name)

(indeclinable)

Note: Functions adverbially here.

क्षितिपतिः (kṣitipatiḥ) - A synonym for king, referring to the father. (lord of the earth, king, ruler)

(noun)

Nominative, masculine, singular of kṣitipati

kṣitipati - lord of the earth, king, ruler, sovereign

Compound type : tatpurusha (kṣiti+pati)

• kṣiti – earth, ground, land
  noun (feminine)
  Root: kṣi (class 1)
• pati – lord, master, husband, owner
  noun (masculine)

च (ca) - Connects 'kṣitipati' and 'rakṣitā'. (and, also, moreover)

(indeclinable)

चातुर्वर्ण्यस्य (cāturvarṇyasya) - Refers to the four social divisions in Vedic society (brāhmaṇa, kṣatriya, vaiśya, śūdra). (of the four classes (varṇas), of the fourfold social order)

(noun)

Genitive, neuter, singular of cāturvarṇya

cāturvarṇya - the system of four classes (brāhmaṇa, kṣatriya, vaiśya, śūdra), the fourfold social order

रक्षिता (rakṣitā) - The king acts as the protector of the four social classes. (protector, guardian)

(noun)

Nominative, masculine, singular of rakṣitṛ

rakṣitṛ - protector, guardian, preserver

agent noun from root rakṣ

Derived from root rakṣ (to protect) with tṛ suffix.

Root: rakṣ (class 1)