महाभारतः mahābhārataḥ - book-9, chapter-46, verse-8

सोमेन सार्धं च तव हानिवृद्धी भविष्यतः ।
एवमस्त्विति तान्देवान्वरुणो वाक्यमब्रवीत् ॥८॥

8. somena sārdhaṁ ca tava hānivṛddhī bhaviṣyataḥ ,
evamastviti tāndevānvaruṇo vākyamabravīt.

8. somena sārdham ca tava hānivṛddhī bhaviṣyataḥ |
evam astu iti tān devān varuṇaḥ vākyam abravīt

8. ca somena sārdham tava hānivṛddhī bhaviṣyataḥ
iti evam astu varuṇaḥ tān devān vākyam abravīt

8. "And your waning and waxing will occur in conjunction with Soma. 'So be it!'—Varuṇa spoke this word to those deities."

Words meanings summery:

• सोमेन (somena) - Soma, the moon-god, whose phases (waxing and waning) are famously linked to cycles. (with Soma)

• सार्धम् (sārdham) - with, together with

• च (ca) - and

• तव (tava) - Refers to Varuṇa. (your)

• हानिवृद्धी (hānivṛddhī) - Refers to the cyclical process of decrease and increase, like the moon's phases, associated with Soma. (loss and gain, decrease and increase, waning and waxing)

• भविष्यतः (bhaviṣyataḥ) - Refers to the loss and gain (hāni-vṛddhī). (they will be, they will occur)

• एवम् (evam) - Refers to the preceding statement 'So be it!' (thus, so, in this way)

• अस्तु (astu) - Varuṇa's acceptance of the deities' proposal. (let it be, may it be, so be it)

• इति (iti) - Quotation marker, indicating the end of a direct speech. (thus, so)

• तान् (tān) - Refers to the deities mentioned previously. (those, to them)

• देवान् (devān) - The deities who made the request to Varuṇa. (to the deities, to the gods)

• वरुणः (varuṇaḥ) - The deity Varuṇa. (Varuṇa)

• वाक्यम् (vākyam) - The statement 'Evam astu'. (word, statement, speech)

• अब्रवीत् (abravīt) - Varuṇa spoke. (he spoke, he said)

Words meanings and morphology

सोमेन (somena) - Soma, the moon-god, whose phases (waxing and waning) are famously linked to cycles. (with Soma)

(proper noun)

Instrumental, masculine, singular of soma

soma - the Soma plant and its juice, the moon, the moon-god

Instrumental singular of soma (masculine).

Root: su (class 5)

सार्धम् (sārdham) - with, together with

(indeclinable)

Adverbial form, takes instrumental case.

च (ca) - and

(indeclinable)

Conjunction.

तव (tava) - Refers to Varuṇa. (your)

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

Genitive singular of yuşmad.

हानिवृद्धी (hānivṛddhī) - Refers to the cyclical process of decrease and increase, like the moon's phases, associated with Soma. (loss and gain, decrease and increase, waning and waxing)

(noun)

Nominative, feminine, dual of hānivṛddhi

hānivṛddhi - loss and gain, decrease and increase, waning and waxing

Nominative/accusative dual of the dvandva compound hānivṛddhi (feminine).

Compound type : dvandva (hāni+vṛddhi)

• hāni – loss, decrease, decline, waning
  noun (feminine)
  Root: hā (class 3)
• vṛddhi – growth, increase, prosperity, waxing
  noun (feminine)
  Root: vṛdh (class 1)

Note: Subject of 'bhaviṣyataḥ'.

भविष्यतः (bhaviṣyataḥ) - Refers to the loss and gain (hāni-vṛddhī). (they will be, they will occur)

(verb)

3rd person , dual, active, future (lṛṭ) of bhū

future active

3rd person dual future active of root bhū (class 1)

Root: bhū (class 1)

एवम् (evam) - Refers to the preceding statement 'So be it!' (thus, so, in this way)

(indeclinable)

Adverb.

अस्तु (astu) - Varuṇa's acceptance of the deities' proposal. (let it be, may it be, so be it)

(verb)

3rd person , singular, active, imperative (loṭ) of as

imperative active

3rd person singular imperative active of root as (class 2)

Root: as (class 2)

इति (iti) - Quotation marker, indicating the end of a direct speech. (thus, so)

(indeclinable)

Particle used to mark quotations, boundaries, or conclusion.

तान् (tān) - Refers to the deities mentioned previously. (those, to them)

(pronoun)

Accusative, masculine, plural of tad

tad - that, he, she, it

Accusative plural masculine of tad.

देवान् (devān) - The deities who made the request to Varuṇa. (to the deities, to the gods)

(noun)

Accusative, masculine, plural of deva

deva - god, deity, divine being

Accusative plural of deva (masculine).

Root: div (class 4)

Note: Object of 'abravīt'.

वरुणः (varuṇaḥ) - The deity Varuṇa. (Varuṇa)

(proper noun)

Nominative, masculine, singular of varuṇa

varuṇa - Varuṇa (Vedic deity), water, sea

Nominative singular of varuṇa (masculine).

Note: Subject of 'abravīt'.

वाक्यम् (vākyam) - The statement 'Evam astu'. (word, statement, speech)

(noun)

Accusative, neuter, singular of vākya

vākya - speech, sentence, word, statement, declaration

Accusative singular of vākya (neuter).

Root: vac (class 2)

अब्रवीत् (abravīt) - Varuṇa spoke. (he spoke, he said)

(verb)

3rd person , singular, active, imperfect (laṅ) of bru

imperfect active

3rd person singular imperfect active of root bru (class 2)

Root: bru (class 2)