योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-110, verse-41

यन्त्रपाषाणसंघट्टपिष्टाम्बरगतायुधम् ।
योधनादनदद्दन्तिवृन्दबन्धुरकन्दरम् ॥ ४१ ॥

yantrapāṣāṇasaṃghaṭṭapiṣṭāmbaragatāyudham ,
yodhanādanadaddantivṛndabandhurakandaram 41

41. yantrapāṣāṇasaṃghaṭṭapiṣṭāmbaragatāyudham
yodhanāt adanadat dantivṛndabandhurakandaram

41. āyudham yantrapāṣāṇasaṃghaṭṭapiṣṭaṁ ambaragatam.
kandaram yodhanāt adanadatdantivṛndabandhuram

41. Weapons were crushed by the impact of grindstones and scattered into the sky, and the caves and hollows became rugged due to the roaring herds of elephants engaged in battle.

Words meanings summery:

• यन्त्रपाषाणसंघट्टपिष्टाम्बरगतायुधम् (yantrapāṣāṇasaṁghaṭṭapiṣṭāmbaragatāyudham) - the state of weapons on the battlefield, pulverized and scattered (weapons crushed by collision of machine-stones and gone to the sky)

• योधनात् (yodhanāt) - from fighting, due to battle

• अदनदत् (adanadat) - roaring, making a great noise

• दन्तिवृन्दबन्धुरकन्दरम् (dantivṛndabandhurakandaram) - the rugged or resonant caves due to the roaring elephant herds (caves/hollows made rugged/resonant by herds of elephants)

Words meanings and morphology

यन्त्रपाषाणसंघट्टपिष्टाम्बरगतायुधम् (yantrapāṣāṇasaṁghaṭṭapiṣṭāmbaragatāyudham) - the state of weapons on the battlefield, pulverized and scattered (weapons crushed by collision of machine-stones and gone to the sky)

(noun)

Nominative, neuter, singular of yantrapāṣāṇasaṃghaṭṭapiṣṭāmbaragatāyudha

yantrapāṣāṇasaṁghaṭṭapiṣṭāmbaragatāyudha - weapons crushed by collision of machine-stones and gone to the sky

Compound type : bahuvrīhi / tatpuruṣa (yantrapāṣāṇa+saṃghaṭṭa+piṣṭa+ambara+gata+āyudha)

• yantrapāṣāṇa – machine-stone, grindstone
  noun (masculine)
• saṃghaṭṭa – collision, clashing, impact
  noun (masculine)
  Derived from root √ghaṭṭ (to rub, clash) with prefix saṃ.
  Prefix: sam
  Root: √ghaṭṭ (class 10)
• piṣṭa – crushed, ground, pulverized
  adjective
  Past Passive Participle
  Derived from the root √piṣ (to crush).
  Root: √piṣ (class 7)
• ambara – sky, atmosphere, clothing
  noun (neuter)
• gata – gone, reached, obtained
  adjective
  Past Passive Participle
  Derived from the root √gam (to go).
  Root: √gam (class 1)
• āyudha – weapon, implement of war
  noun (neuter)

Note: Can be nominative or accusative singular.

योधनात् (yodhanāt) - from fighting, due to battle

(noun)

Ablative, neuter, singular of yodhana

yodhana - fighting, battle, warfare

Derived from the root √yudh (to fight).

Root: √yudh (class 4)

अदनदत् (adanadat) - roaring, making a great noise

(adjective)

Nominative, masculine, singular of adanadat

adanadat - roaring, sounding, making noise (intensive)

Present Active Participle (intensive reduplicated)

Derived from the root √nad (to roar, sound) with intensive reduplication 'a' prefix.

Root: √nad (class 1)

Note: Here functioning adjectivally with dantivṛnda.

दन्तिवृन्दबन्धुरकन्दरम् (dantivṛndabandhurakandaram) - the rugged or resonant caves due to the roaring elephant herds (caves/hollows made rugged/resonant by herds of elephants)

(noun)

Nominative, neuter, singular of dantivṛndabandhurakandara

dantivṛndabandhurakandara - caves/hollows made rugged/resonant by herds of elephants

Compound type : bahuvrīhi / tatpuruṣa (dantivṛnda+bandhura+kandara)

• dantivṛnda – herd of elephants, multitude of elephants
  noun (neuter)
• bandhura – rugged, undulating, resonant, charming
  adjective
• kandara – cave, grotto, hollow
  noun (neuter)

Note: Can be nominative or accusative singular.