महाभारतः mahābhārataḥ - book-13, chapter-130, verse-9

युक्तैर्योगवहैः सद्भिर्ग्रीष्मे पञ्चतपैस्तथा ।
मण्डूकयोगनियतैर्यथान्यायनिषेविभिः ॥९॥

9. yuktairyogavahaiḥ sadbhirgrīṣme pañcatapaistathā ,
maṇḍūkayoganiyatairyathānyāyaniṣevibhiḥ.

9. yuktaiḥ yoga-vahaiḥ sadbhiḥ grīṣme pañca-tapais
tathā maṇḍūka-yoga-niyataiḥ yathā-nyāya-niṣevibhiḥ

9. By those engaged in (yoga), by the virtuous who diligently practice (yoga), and similarly, by those who undertake the five-fires austerity in summer, who are disciplined in the frog-like (yoga) posture, and who adhere to righteousness as prescribed.

Words meanings summery:

• युक्तैः (yuktaiḥ) - by those who are fully engaged in spiritual discipline (yoga) (by those who are yoked, joined, engaged, attentive)

• योग-वहैः (yoga-vahaiḥ) - by those who diligently practice (yoga) or sustain its principles (by those who bear/carry yoga)

• सद्भिः (sadbhiḥ) - by the virtuous and righteous individuals (by the good, by the virtuous, by the existent ones)

• ग्रीष्मे (grīṣme) - during the summer season (for austerity) (in summer)

• पञ्च-तपैस् (pañca-tapais) - by those who undergo the pañca-tapas (five fires) austerity (by those practicing the five austerities, by those enduring the five fires)

• तथा (tathā) - and similarly, also (so, thus, in that manner, also, similarly)

• मण्डूक-योग-नियतैः (maṇḍūka-yoga-niyataiḥ) - by those who are disciplined in the frog-like (yoga) posture (maṇḍūkāsana) (by those fixed in the frog-like yoga)

• यथा-न्याय-निषेविभिः (yathā-nyāya-niṣevibhiḥ) - by those who adhere to righteousness or justice as prescribed (by those who properly follow justice/rule)

Words meanings and morphology

युक्तैः (yuktaiḥ) - by those who are fully engaged in spiritual discipline (yoga) (by those who are yoked, joined, engaged, attentive)

(adjective)

Instrumental, masculine, plural of yukta

yukta - joined, yoked, engaged, endowed with, suitable, composed

Past Passive Participle

from yuj + kta

Root: yuj (class 7)

योग-वहैः (yoga-vahaiḥ) - by those who diligently practice (yoga) or sustain its principles (by those who bear/carry yoga)

(adjective)

Instrumental, masculine, plural of yoga-vaha

yoga-vaha - bearing yoga, carrying the burden of yoga; one who practices yoga diligently

vaha from vah (to carry)

Compound type : tatpurusha (yoga+vaha)

• yoga – yoga, union, spiritual discipline, effort
  noun (masculine)
  from yuj + ghañ
  Root: yuj (class 7)
• vaha – carrying, bearing, conveying; a carrier
  adjective (masculine)
  from vah + ac
  agent noun/adjective
  Root: vah (class 1)

सद्भिः (sadbhiḥ) - by the virtuous and righteous individuals (by the good, by the virtuous, by the existent ones)

(adjective)

Instrumental, masculine, plural of sat

sat - good, virtuous, existing, real; a good person, a saint

Present Active Participle

from as + śatṛ

Root: as (class 2)

ग्रीष्मे (grīṣme) - during the summer season (for austerity) (in summer)

(noun)

Locative, masculine, singular of grīṣma

grīṣma - summer, hot season

Root: ghṛṣ (class 1)

पञ्च-तपैस् (pañca-tapais) - by those who undergo the pañca-tapas (five fires) austerity (by those practicing the five austerities, by those enduring the five fires)

(noun)

Instrumental, masculine, plural of pañca-tapas

pañca-tapas - the five austerities (exposure to sun and four fires); a person practicing these

Compound type : bahuvrihi (pañcan+tapas)

• pañcan – five
  numeral
• tapas – heat, asceticism, austerity, religious penance
  noun (neuter)
  from tap + as
  Root: tap (class 1)

तथा (tathā) - and similarly, also (so, thus, in that manner, also, similarly)

(indeclinable)

मण्डूक-योग-नियतैः (maṇḍūka-yoga-niyataiḥ) - by those who are disciplined in the frog-like (yoga) posture (maṇḍūkāsana) (by those fixed in the frog-like yoga)

(adjective)

Instrumental, masculine, plural of maṇḍūka-yoga-niyata

maṇḍūka-yoga-niyata - disciplined in the frog yoga

Compound

Compound type : tatpurusha (maṇḍūka+yoga+niyata)

• maṇḍūka – frog
  noun (masculine)
• yoga – yoga, union, spiritual discipline, posture
  noun (masculine)
  from yuj + ghañ
  Root: yuj (class 7)
• niyata – restrained, regulated, disciplined, fixed, devoted
  adjective (masculine)
  Past Passive Participle
  from ni-yam + kta
  Prefix: ni
  Root: yam (class 1)

यथा-न्याय-निषेविभिः (yathā-nyāya-niṣevibhiḥ) - by those who adhere to righteousness or justice as prescribed (by those who properly follow justice/rule)

(adjective)

Instrumental, masculine, plural of yathā-nyāya-niṣevin

yathā-nyāya-niṣevin - one who acts according to justice or rule; adhering to righteousness

derived from niṣev

niṣevin is an agent noun/adjective formed with ini suffix

Compound type : tatpurusha (yathā-nyāya+niṣevin)

• yathā-nyāya – according to justice, according to rule, properly
  indeclinable
  yathā (as) + nyāya (justice/rule)
• niṣevin – one who follows, practices, resorts to, addicted to
  adjective (masculine)
  derived from ni-sev
  agent noun/adjective with ini suffix
  Prefix: ni
  Root: sev (class 1)