महाभारतः mahābhārataḥ - book-12, chapter-235, verse-13

वृद्धबालातुरैर्वैद्यैर्ज्ञातिसंबन्धिबान्धवैः ।
मातापितृभ्यां जामीभिर्भ्रात्रा पुत्रेण भार्यया ॥१३॥

13. vṛddhabālāturairvaidyairjñātisaṁbandhibāndhavaiḥ ,
mātāpitṛbhyāṁ jāmībhirbhrātrā putreṇa bhāryayā.

13. vṛddhabālāturaiḥ vaidyaiḥ jñātisaṃbandhibāndhavaiḥ
mātāpitṛbhyām jāmībhiḥ bhrātrā putreṇa bhāryayā

13. vṛddhabālāturaiḥ vaidyaiḥ jñātisaṃbandhibāndhavaiḥ
mātāpitṛbhyām jāmībhiḥ bhrātrā putreṇa bhāryayā

13. One should not engage in dispute with the old, children, the sick, physicians, blood-relatives (jñāti), relatives by marriage, friends, mother, father, sisters-in-law, brother, son, or wife.

Words meanings summery:

• वृद्धबालातुरैः (vṛddhabālāturaiḥ) - by the old, children, and sick people (with whom one should not quarrel) (by the aged, children, and sick)

• वैद्यैः (vaidyaiḥ) - by physicians (with whom one should not quarrel) (by physicians, by doctors)

• ज्ञातिसंबन्धिबान्धवैः (jñātisaṁbandhibāndhavaiḥ) - by blood-relatives (jñāti), relatives by marriage, and friends (with whom one should not quarrel) (by kinsmen, relatives by marriage, and friends)

• मातापितृभ्याम् (mātāpitṛbhyām) - by one's mother and father (with whom one should not quarrel) (by mother and father, by parents)

• जामीभिः (jāmībhiḥ) - by sisters-in-law (with whom one should not quarrel) (by sisters-in-law, by female relatives)

• भ्रात्रा (bhrātrā) - by one's brother (with whom one should not quarrel) (by a brother)

• पुत्रेण (putreṇa) - by one's son (with whom one should not quarrel) (by a son)

• भार्यया (bhāryayā) - by one's wife (with whom one should not quarrel) (by a wife)

Words meanings and morphology

वृद्धबालातुरैः (vṛddhabālāturaiḥ) - by the old, children, and sick people (with whom one should not quarrel) (by the aged, children, and sick)

(noun)

Instrumental, masculine, plural of vṛddhabālāturā

vṛddhabālāturā - aged, child, and sick; those who are old, children, and afflicted

Compound type : dvandva (vṛddha+bāla+ātura)

• vṛddha – old, aged, grown
  adjective (masculine/feminine/neuter)
  Past Passive Participle
  From root vṛdh 'to grow'
  Root: vṛdh (class 1)
• bāla – child, young, immature
  noun (masculine)
• ātura – sick, afflicted, distressed
  adjective (masculine/feminine/neuter)

Note: The compound is declined as masculine plural instrumental, referring to 'by these persons'.

वैद्यैः (vaidyaiḥ) - by physicians (with whom one should not quarrel) (by physicians, by doctors)

(noun)

Instrumental, masculine, plural of vaidya

vaidya - physician, doctor, learned, skillful

From veda, related to knowledge.

ज्ञातिसंबन्धिबान्धवैः (jñātisaṁbandhibāndhavaiḥ) - by blood-relatives (jñāti), relatives by marriage, and friends (with whom one should not quarrel) (by kinsmen, relatives by marriage, and friends)

(noun)

Instrumental, masculine, plural of jñātisaṃbandhibāndhava

jñātisaṁbandhibāndhava - blood-relatives, relatives by marriage, and friends

Compound type : dvandva (jñāti+saṃbandhi+bāndhava)

• jñāti – kinsman, blood-relative, caste
  noun (masculine)
  Root: jñā (class 9)
• saṃbandhi – relative by marriage, relation, connection
  noun (masculine)
  From sam-bandh.
  Prefix: sam
  Root: bandh (class 1)
• bāndhava – relative, kinsman, friend
  noun (masculine)
  From bandhu 'relative'.

मातापितृभ्याम् (mātāpitṛbhyām) - by one's mother and father (with whom one should not quarrel) (by mother and father, by parents)

(noun)

Instrumental, masculine, dual of mātāpitṛ

mātāpitṛ - mother and father, parents

Compound type : dvandva (mātṛ+pitṛ)

• mātṛ – mother
  noun (feminine)
• pitṛ – father
  noun (masculine)

जामीभिः (jāmībhiḥ) - by sisters-in-law (with whom one should not quarrel) (by sisters-in-law, by female relatives)

(noun)

Instrumental, feminine, plural of jāmī

jāmī - sister-in-law, a female relative, daughter-in-law

भ्रात्रा (bhrātrā) - by one's brother (with whom one should not quarrel) (by a brother)

(noun)

Instrumental, masculine, singular of bhrātṛ

bhrātṛ - brother

पुत्रेण (putreṇa) - by one's son (with whom one should not quarrel) (by a son)

(noun)

Instrumental, masculine, singular of putra

putra - son, child

भार्यया (bhāryayā) - by one's wife (with whom one should not quarrel) (by a wife)

(noun)

Instrumental, feminine, singular of bhāryā

bhāryā - wife, consort, one who is to be supported

Gerundive

Feminine form of the gerundive (future passive participle) from root bhṛ 'to bear, support'.

Root: bhṛ (class 3)