महाभारतः mahābhārataḥ - book-3, chapter-146, verse-66

बाहुस्वस्तिकविन्यस्तपीनह्रस्वशिरोधरम् ।
स्कन्धभूयिष्ठकायत्वात्तनुमध्यकटीतटम् ॥६६॥

66. bāhusvastikavinyastapīnahrasvaśirodharam ,
skandhabhūyiṣṭhakāyatvāttanumadhyakaṭītaṭam.

66. bāhusvastikavinyastapīnahrasvaśirodharam |
skandhabhūyiṣṭhakāyatvāt tanumadhyakaṭītaṭam

66. His thick, short neck was positioned with his arms crossed in a svastika pattern, and because of his body's predominant shoulders, his waist and hip area were slender.

Words meanings summery:

• बाहुस्वस्तिकविन्यस्तपीनह्रस्वशिरोधरम् (bāhusvastikavinyastapīnahrasvaśirodharam) - describing Hanuman's neck and arm posture (with a thick, short neck positioned with arms crossed in a svastika pattern)

• स्कन्धभूयिष्ठकायत्वात् (skandhabhūyiṣṭhakāyatvāt) - referring to Hanuman's physique, where shoulders are prominent (because of having a body predominantly of shoulders, due to his body being mostly shoulders)

• तनुमध्यकटीतटम् (tanumadhyakaṭītaṭam) - describing Hanuman's slender waist and hips (with a slender middle and hip region)

Words meanings and morphology

बाहुस्वस्तिकविन्यस्तपीनह्रस्वशिरोधरम् (bāhusvastikavinyastapīnahrasvaśirodharam) - describing Hanuman's neck and arm posture (with a thick, short neck positioned with arms crossed in a svastika pattern)

(adjective)

Accusative, masculine, singular of bāhusvastikavinyastapīnahrasvaśirodhara

bāhusvastikavinyastapīnahrasvaśirodhara - one whose thick, short neck is placed with arms crossed in a svastika pattern

Compound type : bahuvrīhi (bāhu+svastika+vinyasta+pīna+hrasva+śirodhara)

• bāhu – arm
  noun (masculine)
• svastika – svastika (auspicious mark), crossed position
  noun (neuter)
• vinyasta – placed, arranged, positioned
  adjective
  Past Passive Participle
  From verb √as (to throw, to place) with prefixes vi and ni.
  Prefixes: vi+ni
  Root: as (class 2)
• pīna – thick, plump, robust
  adjective
• hrasva – short, small
  adjective
• śirodhara – neck (literally, 'head-holder')
  noun (masculine)

Note: Qualifies an unstated masculine noun (e.g., 'him').

स्कन्धभूयिष्ठकायत्वात् (skandhabhūyiṣṭhakāyatvāt) - referring to Hanuman's physique, where shoulders are prominent (because of having a body predominantly of shoulders, due to his body being mostly shoulders)

(noun)

Ablative, neuter, singular of skandhabhūyiṣṭhakāyatva

skandhabhūyiṣṭhakāyatva - the state of having a body where shoulders are predominant

Derived from skandhabhūyiṣṭhakāya + suffix -tva.

Compound type : tatpuruṣa (skandha+bhūyiṣṭha+kāya+tva)

• skandha – shoulder, trunk of a tree
  noun (masculine)
• bhūyiṣṭha – most abundant, predominant, very much
  adjective
  superlative of bahu
  From bahu (much, many) + iṣṭha (superlative suffix).
• kāya – body, mass, collection
  noun (masculine)
• tva – suffix forming abstract nouns, 'the state of being'
  suffix (neuter)
  Secondary nominal suffix.

Note: Used adverbially to mean 'because of'.

तनुमध्यकटीतटम् (tanumadhyakaṭītaṭam) - describing Hanuman's slender waist and hips (with a slender middle and hip region)

(adjective)

Accusative, masculine, singular of tanumadhyakaṭītaṭa

tanumadhyakaṭītaṭa - one whose middle and hip region is slender

Compound type : bahuvrīhi (tanu+madhya+kaṭī+taṭa)

• tanu – slender, thin, delicate
  adjective
• madhya – middle, waist
  noun (neuter)
• kaṭī – hip, hip-region, waist
  noun (feminine)
• taṭa – side, bank, shore, region
  noun (masculine)

Note: Qualifies an unstated masculine noun (e.g., 'him').