महाभारतः mahābhārataḥ - book-13, chapter-51, verse-20

अगाधेऽम्भसि मग्नस्य सामात्यस्य सहर्त्विजः ।
प्लवो भव महर्षे त्वं कुरु मूल्यविनिश्चयम् ॥२०॥

20. agādhe'mbhasi magnasya sāmātyasya sahartvijaḥ ,
plavo bhava maharṣe tvaṁ kuru mūlyaviniścayam.

20. agādhe ambhasi magnasya sa-āmātyasya saha-ṛtvijaḥ
plavaḥ bhava maharṣe tvam kuru mūlya-viniścayam

20. he maharṣe agādhe ambhasi sa-āmātyasya saha-ṛtvijaḥ
magnasya tvam plavaḥ bhava mūlya-viniścayam kuru

20. O great sage (maharṣi), become a raft for me, who is submerged in unfathomable waters along with ministers and priests. You must decide the compensation.

Words meanings summery:

• अगाधे (agādhe) - unfathomable, deep

• अम्भसि (ambhasi) - in water

• मग्नस्य (magnasya) - referring to Nahusha, who is submerged in difficulties (of one who is submerged/sunk)

• स-आमात्यस्य (sa-āmātyasya) - along with ministers, having ministers

• सह-ऋत्विजः (saha-ṛtvijaḥ) - along with priests, having priests

• प्लवः (plavaḥ) - boat, raft, means of crossing

• भव (bhava) - be, become

• महर्षे (maharṣe) - O great sage

• त्वम् (tvam) - you

• कुरु (kuru) - do, make, determine

• मूल्य-विनिश्चयम् (mūlya-viniścayam) - determination of the price/compensation

Words meanings and morphology

अगाधे (agādhe) - unfathomable, deep

(adjective)

Locative, neuter, singular of agādha

agādha - unfathomable, very deep, profound

Compound type : nañ-tatpuruṣa (a+gādha)

• a – not, non-, un-
  indeclinable
• gādha – shallow, fordable, fathomable
  adjective (neuter)

Note: Agrees with 'ambhasi'

अम्भसि (ambhasi) - in water

(noun)

Locative, neuter, singular of ambhas

ambhas - water, fluid

मग्नस्य (magnasya) - referring to Nahusha, who is submerged in difficulties (of one who is submerged/sunk)

(adjective)

Genitive, masculine, singular of magna

magna - sunk, submerged, plunged, engrossed in

Past Passive Participle

Derived from root majj (to sink) + kta suffix

Root: majj (class 6)

स-आमात्यस्य (sa-āmātyasya) - along with ministers, having ministers

(adjective)

Genitive, masculine, singular of sa-āmātya

sa-āmātya - accompanied by ministers, with ministers

Compound type : bahuvrīhi (sa+āmātya)

• sa – with, together with
  indeclinable
• āmātya – minister, companion, official
  noun (masculine)

Note: Agrees with 'magnasya'

सह-ऋत्विजः (saha-ṛtvijaḥ) - along with priests, having priests

(adjective)

Genitive, masculine, singular of saha-ṛtvij

saha-ṛtvij - accompanied by priests, with priests

Compound type : bahuvrīhi (saha+ṛtvij)

• saha – with, together with
  indeclinable
• ṛtvij – priest, officiant of a Vedic ritual
  noun (masculine)

Note: Agrees with 'magnasya'

प्लवः (plavaḥ) - boat, raft, means of crossing

(noun)

Nominative, masculine, singular of plava

plava - a boat, raft, float; swimming, floating

Root: plu (class 1)

भव (bhava) - be, become

(verb)

2nd person , singular, active, imperative (loṭ) of bhū

Root: bhū (class 1)

महर्षे (maharṣe) - O great sage

(noun)

Vocative, masculine, singular of maharṣi

maharṣi - great sage, great seer

Compound type : karmadhāraya (mahā+ṛṣi)

• mahā – great, large, mighty
  adjective
• ṛṣi – sage, seer, inspired poet
  noun (masculine)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you (singular or plural)

कुरु (kuru) - do, make, determine

(verb)

2nd person , singular, active, imperative (loṭ) of kṛ

Root: kṛ (class 8)

मूल्य-विनिश्चयम् (mūlya-viniścayam) - determination of the price/compensation

(noun)

Accusative, masculine, singular of mūlya-viniścaya

mūlya-viniścaya - determination of value, ascertainment of price

Compound type : ṣaṣṭhī-tatpuruṣa (mūlya+viniścaya)

• mūlya – price, value, compensation
  noun (neuter)
• viniścaya – determination, ascertainment, decision, resolution
  noun (masculine)
  Prefixes: vi+ni
  Root: ci (class 5)