वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-7, chapter-59, verse-8

अर्धासनेन शक्रस्य राज्यार्धेन च पार्थिवः ।
वन्द्यमानः सुरगणैः प्रतिज्ञामध्यरोहत ॥८॥

8. ardhāsanena śakrasya rājyārdhena ca pārthivaḥ ,
vandyamānaḥ suragaṇaiḥ pratijñāmadhyarohata.

8. ardhāsanena śakrasya rājyārdhena ca pārthivaḥ
vandyamānaḥ suragaṇaiḥ pratijñām adhyarohata

8. suragaṇaiḥ vandyamānaḥ pārthivaḥ śakrasya
ardhāsanena ca rājyārdhena pratijñām adhyarohata

8. The king (pārthiva), being honored by the hosts of gods, accepted the terms by ascending to half of Indra's (śakra) throne and half of his kingdom.

Words meanings summery:

• अर्धासनेन (ardhāsanena) - with half a seat, by half a throne

• शक्रस्य (śakrasya) - of Shakra, of Indra

• राज्यार्धेन (rājyārdhena) - with half a kingdom

• च (ca) - and, also

• पार्थिवः (pārthivaḥ) - king, ruler of the earth

• वन्द्यमानः (vandyamānaḥ) - being praised, being honored, being worshiped

• सुरगणैः (suragaṇaiḥ) - by the hosts of gods, by the multitude of deities

• प्रतिज्ञाम् (pratijñām) - pledge, promise, condition

• अध्यरोहत (adhyarohata) - he accepted, he ascended to, he undertook

Words meanings and morphology

अर्धासनेन (ardhāsanena) - with half a seat, by half a throne

(noun)

Instrumental, neuter, singular of ardhāsana

ardhāsana - half-seat, half-throne

Compound type : tatpuruṣa (ardha+āsana)

• ardha – half
  adjective
• āsana – seat, throne, sitting
  noun (neuter)
  Root: ās (class 2)

शक्रस्य (śakrasya) - of Shakra, of Indra

(proper noun)

Genitive, masculine, singular of śakra

śakra - Shakra (an epithet of Indra), powerful, mighty

राज्यार्धेन (rājyārdhena) - with half a kingdom

(noun)

Instrumental, neuter, singular of rājyārdha

rājyārdha - half of a kingdom

Compound type : tatpuruṣa (rājya+ardha)

• rājya – kingdom, reign, dominion
  noun (neuter)
  Root: rāj (class 1)
• ardha – half, part
  noun (neuter)

च (ca) - and, also

(indeclinable)

पार्थिवः (pārthivaḥ) - king, ruler of the earth

(noun)

Nominative, masculine, singular of pārthiva

pārthiva - king, ruler, belonging to the earth, earthy

Derived from pṛthivī (earth)

वन्द्यमानः (vandyamānaḥ) - being praised, being honored, being worshiped

(adjective)

Nominative, masculine, singular of vandyemāna

vandyemāna - being praised, being honored, being worshiped

Present Passive Participle

Derived from root vand (to praise, worship) with suffix -yamāna

Root: vand (class 1)

सुरगणैः (suragaṇaiḥ) - by the hosts of gods, by the multitude of deities

(noun)

Instrumental, masculine, plural of suragaṇa

suragaṇa - host of gods, multitude of deities

Compound type : tatpuruṣa (sura+gaṇa)

• sura – god, deity
  noun (masculine)
• gaṇa – host, multitude, troop, collection
  noun (masculine)

प्रतिज्ञाम् (pratijñām) - pledge, promise, condition

(noun)

Accusative, feminine, singular of pratijñā

pratijñā - pledge, promise, vow, agreement, condition

Derived from root jñā (to know) with prefix prati

Prefix: prati

Root: jñā (class 9)

अध्यरोहत (adhyarohata) - he accepted, he ascended to, he undertook

(verb)

3rd person , singular, middle, past imperfect (laṅ) of adhi-ruh

Prefix: adhi

Root: ruh (class 1)