महाभारतः mahābhārataḥ - book-1, chapter-159, verse-15

यस्तु स्यात्कामवृत्तोऽपि राजा तापत्य संगरे ।
जयेन्नक्तंचरान्सर्वान्स पुरोहितधूर्गतः ॥१५॥

15. yastu syātkāmavṛtto'pi rājā tāpatya saṁgare ,
jayennaktaṁcarānsarvānsa purohitadhūrgataḥ.

15. yaḥ tu syāt kāmavṛttaḥ api rājā tāpatya saṅgare
jayet naktaṃcarān sarvān saḥ purohita-dhūr-gataḥ

15. O son of Tapati, even a king whose conduct is self-willed (kāmavṛtta) will conquer all the night-roaming demons (naktaṃcara) in battle, provided he is supported by a priest (purohita).

Words meanings summery:

• यः (yaḥ) - who, whoever

• तु (tu) - but, indeed, on the other hand

• स्यात् (syāt) - may be, might be, should be

• कामवृत्तः (kāmavṛttaḥ) - whose conduct is according to desire, self-willed, acting as one pleases

• अपि (api) - even, also, too

• राजा (rājā) - king

• तापत्य (tāpatya) - O son of Tapati

• सङ्गरे (saṅgare) - in battle, in conflict

• जयेत् (jayet) - he would conquer, he should conquer

• नक्तंचरान् (naktaṁcarān) - night-roamers, demons, rakṣasas

• सर्वान् (sarvān) - all, every

• सः (saḥ) - he, that

• पुरोहित-धूर्-गतः (purohita-dhūr-gataḥ) - supported by a priest, having a priest's guidance

Words meanings and morphology

यः (yaḥ) - who, whoever

(pronoun)

Nominative, masculine, singular of yad

yad - which, who, what, that

तु (tu) - but, indeed, on the other hand

(indeclinable)

स्यात् (syāt) - may be, might be, should be

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of as

Root: as (class 2)

कामवृत्तः (kāmavṛttaḥ) - whose conduct is according to desire, self-willed, acting as one pleases

(adjective)

Nominative, masculine, singular of kāmavṛtta

kāmavṛtta - whose conduct is according to desire, self-willed, acting as one pleases

Compound type : bahuvrīhi (kāma+vṛtta)

• kāma – desire, wish, love
  noun (masculine)
  Root: kam (class 1)
• vṛtta – conduct, course, behavior; happened, occurred
  noun (neuter)
  Past Passive Participle
  Derived from root vṛt- with suffix -ta
  Root: vṛt (class 1)

अपि (api) - even, also, too

(indeclinable)

राजा (rājā) - king

(noun)

Nominative, masculine, singular of rājan

rājan - king, sovereign

तापत्य (tāpatya) - O son of Tapati

(proper noun)

Vocative, masculine, singular of tāpatya

tāpatya - descendant of Tapati, son of Tapati (a solar princess)

सङ्गरे (saṅgare) - in battle, in conflict

(noun)

Locative, masculine, singular of saṅgara

saṅgara - battle, war, conflict

Root: gṛ (class 1)

जयेत् (jayet) - he would conquer, he should conquer

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of ji

Root: ji (class 1)

नक्तंचरान् (naktaṁcarān) - night-roamers, demons, rakṣasas

(noun)

Accusative, masculine, plural of naktaṃcara

naktaṁcara - one who moves at night; night-roamer, demon

Compound type : upapada tatpuruṣa (naktaṃ+cara)

• naktaṃ – by night, at night
  indeclinable
• cara – moving, going; a mover, follower
  noun (masculine)
  agent noun
  Derived from root car with suffix -a
  Root: car (class 1)

सर्वान् (sarvān) - all, every

(pronoun)

Accusative, masculine, plural of sarva

sarva - all, every, whole

सः (saḥ) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

पुरोहित-धूर्-गतः (purohita-dhūr-gataḥ) - supported by a priest, having a priest's guidance

(adjective)

Nominative, masculine, singular of purohita-dhūr-gata

purohita-dhūr-gata - one who is supported or guided by a priest (purohita)

Compound type : bahuvrīhi (purohita+dhūr+gata)

• purohita – priest, royal chaplain
  noun (masculine)
• dhūr – yoke, burden, responsibility, leadership, guidance
  noun (feminine)
• gata – gone, obtained, reached, supported
  past passive participle
  Past Passive Participle
  Derived from root gam- with suffix -ta
  Root: gam (class 1)