वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-51, verse-15

अशास्त्रविदुषां तेषां न कार्यमहितं वचः ।
अर्थशास्त्रानभिज्ञानां विपुलां श्रियमिच्छताम् ॥१५॥

15. aśāstraviduṣāṃ teṣāṃ na kāryamahitaṃ vacaḥ ,
arthaśāstrānabhijñānāṃ vipulāṃ śriyamicchatām.

15. a-śāstra-viduṣām teṣām na kāryam ahitam vacaḥ
artha-śāstra-anabhijñānām vipulām śriyam icchatām

15. a-śāstra-viduṣām artha-śāstra-anabhijñānām vipulām
śriyam icchatām teṣām ahitam vacaḥ na kāryam

15. The harmful advice of those who are ignorant of the scriptures and uninformed about statecraft (arthaśāstra), even if they desire great prosperity, should not be considered valid.

Words meanings summery:

• अ-शास्त्र-विदुषाम् (a-śāstra-viduṣām) - of those ignorant of the scriptures (of those who are ignorant of the scriptures (genitive plural masculine))

• तेषाम् (teṣām) - of them (of them, their (genitive plural))

• न (na) - not

• कार्यम् (kāryam) - to be considered valid (to be done, proper, valid (nominative singular neuter))

• अहितम् (ahitam) - harmful (harmful, not beneficial (nominative singular neuter))

• वचः (vacaḥ) - advice (word, speech, advice (nominative singular neuter))

• अर्थ-शास्त्र-अनभिज्ञानाम् (artha-śāstra-anabhijñānām) - of those uninformed about statecraft (arthaśāstra) (of those ignorant of statecraft (genitive plural masculine))

• विपुलाम् (vipulām) - great (vast, great (accusative singular feminine))

• श्रियम् (śriyam) - prosperity (prosperity, wealth (accusative singular feminine))

• इच्छताम् (icchatām) - even if desiring (desiring (genitive plural masculine/feminine))

Words meanings and morphology

अ-शास्त्र-विदुषाम् (a-śāstra-viduṣām) - of those ignorant of the scriptures (of those who are ignorant of the scriptures (genitive plural masculine))

(adjective)

Genitive, masculine, plural of aśāstravidus

aśāstravidus - ignorant of scriptures

Compound type : bahuvrīhi (a+śāstra+vidus)

• a – not, non-
  indeclinable
• śāstra – scripture, treatise
  noun (neuter)
  Root: śās (class 2)
• vidus – knower, wise
  adjective (masculine)
  from vid (to know)
  Root: vid (class 2)

तेषाम् (teṣām) - of them (of them, their (genitive plural))

(pronoun)

Genitive, masculine, plural of tad

tad - that, he, she, it (demonstrative pronoun)

न (na) - not

(indeclinable)

कार्यम् (kāryam) - to be considered valid (to be done, proper, valid (nominative singular neuter))

(adjective)

Nominative, neuter, singular of kārya

kārya - to be done, proper, duty

gerundive

from kṛ (to do)

Root: kṛ (class 8)

अहितम् (ahitam) - harmful (harmful, not beneficial (nominative singular neuter))

(adjective)

Nominative, neuter, singular of ahita

ahita - not beneficial, harmful, unfavorable

past passive participle (negative)

from a- + hita (from dhā)

Prefix: a

Root: dhā (class 3)

वचः (vacaḥ) - advice (word, speech, advice (nominative singular neuter))

(noun)

Nominative, neuter, singular of vacas

vacas - word, speech, advice

Root: vac (class 2)

अर्थ-शास्त्र-अनभिज्ञानाम् (artha-śāstra-anabhijñānām) - of those uninformed about statecraft (arthaśāstra) (of those ignorant of statecraft (genitive plural masculine))

(adjective)

Genitive, masculine, plural of artha-śāstra-anabhijña

artha-śāstra-anabhijña - ignorant of political economy/statecraft

Compound type : bahuvrīhi (artha+śāstra+anabhijña)

• artha – aim, purpose, wealth, statecraft
  noun (masculine)
• śāstra – scripture, treatise, science
  noun (neuter)
  Root: śās (class 2)
• anabhijña – ignorant, unfamiliar with
  adjective (masculine)
  from an- + abhi- + jñā
  Prefixes: an+abhi
  Root: jñā (class 9)

विपुलाम् (vipulām) - great (vast, great (accusative singular feminine))

(adjective)

Accusative, feminine, singular of vipula

vipula - vast, extensive, great, abundant

श्रियम् (śriyam) - prosperity (prosperity, wealth (accusative singular feminine))

(noun)

Accusative, feminine, singular of śrī

śrī - prosperity, wealth, glory, beauty

इच्छताम् (icchatām) - even if desiring (desiring (genitive plural masculine/feminine))

(adjective)

Genitive, masculine, plural of icchat

icchat - desiring, wishing

present active participle

from iṣ (to wish, desire)

Root: iṣ (class 6)