वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-1, chapter-38, verse-4

शंकरश्वशुरो नाम हिमवानचलोत्तमः ।
विन्ध्यपर्वतमासाद्य निरीक्षेते परस्परम् ॥४॥

4. śaṃkaraśvaśuro nāma himavānacalottamaḥ ,
vindhyaparvatamāsādya nirīkṣete parasparam.

4. śaṅkaraśvaśuraḥ nāma himavān acalottamaḥ
vindhyaparvatam āsādya nirīkṣete parasparam

4. himavān acalottamaḥ śaṅkaraśvaśuraḥ nāma
vindhyaparvatam āsādya parasparam nirīkṣete

4. Himavan, the foremost among mountains and known as Śaṅkara's father-in-law, and the Vindhya mountain, standing face to face, gaze upon one another.

Words meanings summery:

• शङ्करश्वशुरः (śaṅkaraśvaśuraḥ) - Referring to Himavan as the father-in-law of Śiva (Śaṅkara) (Śaṅkara's father-in-law)

• नाम (nāma) - Indicates a well-known appellation for Himavan (named, by name, indeed)

• हिमवान् (himavān) - The Himalayan mountain range, personified as a character in the narrative (Himavan, possessing snow)

• अचलोत्तमः (acalottamaḥ) - An epithet for Himavan, signifying its supreme status among mountains (best of mountains)

• विन्ध्यपर्वतम् (vindhyaparvatam) - The specific mountain range of Vindhya (the Vindhya mountain)

• आसाद्य (āsādya) - Refers to the mountains facing or being opposite to each other (having reached, having approached, having obtained)

• निरीक्षेते (nirīkṣete) - Himavan and Vindhya are gazing at each other (they look, they observe, they gaze)

• परस्परम् (parasparam) - Indicating the reciprocal action of gazing between the two mountains (mutually, each other, reciprocally)

Words meanings and morphology

शङ्करश्वशुरः (śaṅkaraśvaśuraḥ) - Referring to Himavan as the father-in-law of Śiva (Śaṅkara) (Śaṅkara's father-in-law)

(noun)

Nominative, masculine, singular of śaṅkaraśvaśura

śaṅkaraśvaśura - father-in-law of Śaṅkara

Compound type : tatpuruṣa (śaṅkara+śvaśura)

• śaṅkara – Śaṅkara; a name of Shiva; causing prosperity
  proper noun (masculine)
  Root: śam (class 8)
• śvaśura – father-in-law
  noun (masculine)

नाम (nāma) - Indicates a well-known appellation for Himavan (named, by name, indeed)

(indeclinable)

हिमवान् (himavān) - The Himalayan mountain range, personified as a character in the narrative (Himavan, possessing snow)

(proper noun)

Nominative, masculine, singular of himavat

himavat - snowy, cold; Himavat (the Himalayas)

From 'hima' (snow) with possessive suffix 'matup'

अचलोत्तमः (acalottamaḥ) - An epithet for Himavan, signifying its supreme status among mountains (best of mountains)

(noun)

Nominative, masculine, singular of acalottama

acalottama - best of mountains, chief mountain

Compound type : tatpuruṣa (acala+uttama)

• acala – mountain; immovable
  noun (masculine)
  From 'a' (not) + 'cala' (moving)
  Prefix: a
  Root: cal (class 1)
• uttama – best, highest, excellent
  adjective (masculine)
  Superlative form

विन्ध्यपर्वतम् (vindhyaparvatam) - The specific mountain range of Vindhya (the Vindhya mountain)

(noun)

Accusative, masculine, singular of vindhyaparvata

vindhyaparvata - the Vindhya mountain

Compound type : karmadhāraya (vindhya+parvata)

• vindhya – Vindhya (a mountain range)
  proper noun (masculine)
• parvata – mountain, hill
  noun (masculine)
  Root: pṛ (class 3)

आसाद्य (āsādya) - Refers to the mountains facing or being opposite to each other (having reached, having approached, having obtained)

(indeclinable)

Absolutive (Gerund)

From root 'sad' with prefix 'ā' and suffix 'lyaP'

Prefix: ā

Root: sad (class 1)

निरीक्षेते (nirīkṣete) - Himavan and Vindhya are gazing at each other (they look, they observe, they gaze)

(verb)

3rd person , dual, active, present (laṭ) of nirīkṣ

From root 'īkṣ' with prefix 'nir'

Prefix: nis

Root: īkṣ (class 1)

परस्परम् (parasparam) - Indicating the reciprocal action of gazing between the two mountains (mutually, each other, reciprocally)

(indeclinable)