योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-114, verse-25

महेन्द्राद्रेर्गुहागेहपरावृत्तार्णवाध्वनाम् ।
भांकारिण्यो भुवः सिद्धसाध्यानां सुसुखावहः ॥ २५ ॥

mahendrādrerguhāgehaparāvṛttārṇavādhvanām ,
bhāṃkāriṇyo bhuvaḥ siddhasādhyānāṃ susukhāvahaḥ 25

25. mahendrādreḥ guhāgehaparāvṛttārṇavādhvanām
bhāṃkāriṇyaḥ bhuvaḥ siddhasādhyānām susukhāvahaḥ

25. mahendrādreḥ guhāgehaparāvṛttārṇavādhvanām
bhuvaḥ bhāṃkāriṇyaḥ siddhasādhyānām susukhāvahaḥ

25. The winds, whose ocean-paths turn back into the cave-homes of Mahendra mountain, roaring from the earth, bring great comfort to the Siddhas and Sādhyas.

Words meanings summery:

• महेन्द्राद्रेः (mahendrādreḥ) - of Mahendra mountain

• गुहागेहपरावृत्तार्णवाध्वनाम् (guhāgehaparāvṛttārṇavādhvanām) - describing the winds whose oceanic journeys now terminate or reverse into the mountain's caves (of those whose path over the ocean has turned back into cave-homes)

• भांकारिण्यः (bhāṁkāriṇyaḥ) - describing the roaring quality of the winds (roaring, buzzing, humming ones)

• भुवः (bhuvaḥ) - from the earth, of the terrestrial regions (of the earth; worlds, regions, beings)

• सिद्धसाध्यानाम् (siddhasādhyānām) - of the Siddhas and Sādhyas

• सुसुखावहः (susukhāvahaḥ) - describing the comforting nature of the winds (very pleasant, bringing great comfort)

Words meanings and morphology

महेन्द्राद्रेः (mahendrādreḥ) - of Mahendra mountain

(proper noun)

Genitive, masculine, singular of mahendrādri

mahendrādri - Mahendra mountain (name of a mountain range)

Compound type : tatpuruṣa (mahā+indra+adri)

• mahā – great, large
  adjective
• indra – Indra (name of a deity), chief, best
  noun (masculine)
• adri – mountain, rock
  noun (masculine)

गुहागेहपरावृत्तार्णवाध्वनाम् (guhāgehaparāvṛttārṇavādhvanām) - describing the winds whose oceanic journeys now terminate or reverse into the mountain's caves (of those whose path over the ocean has turned back into cave-homes)

(adjective)

Genitive, masculine, plural of guhāgehaparāvṛttārṇavādhvan

guhāgehaparāvṛttārṇavādhvan - one whose ocean-path is turned back into cave-homes

Compound type : bahuvrīhi (guhā+geha+parāvṛtta+arṇava+adhvan)

• guhā – cave, cavern
  noun (feminine)
• geha – house, home, dwelling
  noun (neuter)
• parāvṛtta – turned back, returned, reversed
  adjective (masculine)
  Past Passive Participle
  Past passive participle of the root vṛt with prefix parā.
  Prefix: parā
  Root: vṛt (class 1)
• arṇava – ocean, sea
  noun (masculine)
• adhvan – path, road, way, journey
  noun (masculine)

Note: Refers to the winds (implied `vāyavaḥ`).

भांकारिण्यः (bhāṁkāriṇyaḥ) - describing the roaring quality of the winds (roaring, buzzing, humming ones)

(adjective)

Nominative, feminine, plural of bhāṃkārin

bhāṁkārin - roaring, buzzing, humming; a roaring or buzzing creature

Note: This form is feminine nominative plural. If describing the winds (vāyavaḥ), which are masculine plural, this is a grammatical irregularity or a poetic license in the given text.

भुवः (bhuvaḥ) - from the earth, of the terrestrial regions (of the earth; worlds, regions, beings)

(noun)

Genitive, feminine, singular of bhū

bhū - earth, ground, land, place, world, being

Note: Interpreted as genitive singular 'of the earth' as per commentaries, indicating the origin of the roaring winds.

सिद्धसाध्यानाम् (siddhasādhyānām) - of the Siddhas and Sādhyas

(noun)

Genitive, masculine, plural of siddhasādhya

siddhasādhya - Siddhas and Sādhyas (classes of semi-divine or celestial beings)

Compound type : dvandva (siddha+sādhya)

• siddha – perfected one, semi-divine being with supernatural powers
  noun (masculine)
• sādhya – a class of celestial beings, attainable, to be accomplished
  noun (masculine)

सुसुखावहः (susukhāvahaḥ) - describing the comforting nature of the winds (very pleasant, bringing great comfort)

(adjective)

Nominative, masculine, singular of susukhāvaha

susukhāvaha - causing great pleasure or happiness, very pleasant

Compound type : tatpuruṣa (su+sukha+āvaha)

• su – good, well, very, excellent
  indeclinable
• sukha – happiness, pleasure, comfort
  noun (neuter)
• āvaha – bringing, causing, producing
  adjective (masculine)
  agent noun derived from root
  Derived from the root vah (to carry, bear, bring) with prefix ā.
  Prefix: ā
  Root: vah (class 1)

Note: This form is masculine nominative singular. If referring to the winds (vāyavaḥ), which are masculine plural, this is a grammatical irregularity or a poetic license in the given text. It could also imply a singular 'wind' (vāyuḥ) as the subject of being pleasant.