योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-18, verse-4

योऽस्मत्तातस्य कूपोऽयमिति कौपं पिबत्यपः ।
त्यक्त्वा गाङ्गं पुरस्थं तं को नाशास्त्यतिरागिणम् ॥ ४ ॥

yo'smattātasya kūpo'yamiti kaupaṃ pibatyapaḥ ,
tyaktvā gāṅgaṃ purasthaṃ taṃ ko nāśāstyatirāgiṇam 4

4. yaḥ asmat-tātasya kūpaḥ ayam iti kaupam pibati apaḥ
tyaktvā gāṅgam purastham tam kaḥ na āśāsti atirāgiṇam

4. yaḥ ayam asmat-tātasya kūpaḥ iti purastham gāṅgam tyaktvā kaupam apaḥ pibati,
tam atirāgiṇam kaḥ na āśāsti?

4. Whoever drinks water from a well, thinking, 'This is my father's well,' while abandoning the Ganges water readily available nearby, who would not admonish such an excessively attached person?

Words meanings summery:

• यः (yaḥ) - who, whoever

• अस्मत्-तातस्य (asmat-tātasya) - of my father, of our father

• कूपः (kūpaḥ) - well

• अयम् (ayam) - this

• इति (iti) - thus, so, in this manner

• कौपम् (kaupam) - well water, water from a well

• पिबति (pibati) - drinks

• अपः (apaḥ) - waters

• त्यक्त्वा (tyaktvā) - having abandoned, having forsaken

• गाङ्गम् (gāṅgam) - Ganges water, relating to the Ganga

• पुरस्थम् (purastham) - standing in front, nearby, situated in a city

• तम् (tam) - him, that

• कः (kaḥ) - who?

• न (na) - not, no

• आशास्ति (āśāsti) - advises, instructs, chastises, wishes

• अतिरागिणम् (atirāgiṇam) - one who is excessively attached, very passionate

Words meanings and morphology

यः (yaḥ) - who, whoever

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

अस्मत्-तातस्य (asmat-tātasya) - of my father, of our father

(noun)

Genitive, masculine, singular of asmat-tāta

asmat-tāta - my father, our father

Compound type : tatpuruṣa (asmad+tāta)

• asmad – we, our
  pronoun
• tāta – father, dear one
  noun (masculine)

कूपः (kūpaḥ) - well

(noun)

Nominative, masculine, singular of kūpa

kūpa - well, pit

अयम् (ayam) - this

(pronoun)

Nominative, masculine, singular of idam

idam - this, this here

इति (iti) - thus, so, in this manner

(indeclinable)

कौपम् (kaupam) - well water, water from a well

(noun)

Accusative, neuter, singular of kaupa

kaupa - relating to a well, well water

Derived from kūpa (well) + aṇ (taddhita suffix)

पिबति (pibati) - drinks

(verb)

3rd person , singular, active, present (laṭ) of pā

Present tense, 3rd class (bhvādi) root, reduplicated in some forms.

Root: pā (class 1)

अपः (apaḥ) - waters

(noun)

Accusative, feminine, plural of ap

ap - water, waters

Always used in plural forms, but can refer to a singular concept of 'water'.

त्यक्त्वा (tyaktvā) - having abandoned, having forsaken

(indeclinable)

absolutive (gerund)

Formed from root tyaj with suffix -ktvā

Root: tyaj (class 1)

गाङ्गम् (gāṅgam) - Ganges water, relating to the Ganga

(noun)

Accusative, neuter, singular of gāṅga

gāṅga - relating to the Ganga, Ganges water

Derived from gaṅgā (Ganga) + aṇ (taddhita suffix)

पुरस्थम् (purastham) - standing in front, nearby, situated in a city

(adjective)

Accusative, neuter, singular of purastha

purastha - standing in front, near, present, situated in a city

Compound type : upapada tatpuruṣa (puras+stha)

• puras – before, in front, eastward
  indeclinable
• stha – standing, staying, being
  adjective
  verbal adjective
  Derived from root sthā (to stand)
  Root: sthā (class 1)

Note: Modifies gāṅgam.

तम् (tam) - him, that

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

कः (kaḥ) - who?

(pronoun)

Nominative, masculine, singular of kim

kim - who, what, which

न (na) - not, no

(indeclinable)

आशास्ति (āśāsti) - advises, instructs, chastises, wishes

(verb)

3rd person , singular, active, present (laṭ) of āśās

Prefix: ā

Root: śās (class 2)

अतिरागिणम् (atirāgiṇam) - one who is excessively attached, very passionate

(adjective)

Accusative, masculine, singular of atirāgin

atirāgin - excessively attached, very passionate

Compound type : avyayībhāva / karmadhāraya (ati+rāgin)

• ati – excessive, beyond, over
  indeclinable
• rāgin – attached, passionate, loving
  adjective (masculine)
  From root rañj (to color, be attached)
  Root: rañj (class 1)