महाभारतः mahābhārataḥ - book-13, chapter-67, verse-27

दातव्याः सततं दीपास्तस्माद्भरतसत्तम ।
देवानां च पितॄणां च चक्षुष्यास्ते मताः प्रभो ॥२७॥

27. dātavyāḥ satataṁ dīpāstasmādbharatasattama ,
devānāṁ ca pitṝṇāṁ ca cakṣuṣyāste matāḥ prabho.

27. dātavyāḥ satatam dīpāḥ tasmāt bharata-sattama |
devānām ca pitṝṇām ca cakṣuṣyāḥ te matāḥ prabho

27. tasmāt bharata-sattama,
dīpāḥ satatam dātavyāḥ prabho,
ca devānām ca pitṝṇām te cakṣuṣyāḥ matāḥ

27. Therefore, O best among the Bhāratas, lamps should always be given (dāna). O lord, they are considered beneficial to the eyes of both the gods and the ancestors.

Words meanings summery:

• दातव्याः (dātavyāḥ) - should be given, ought to be given

• सततम् (satatam) - always, constantly, continuously

• दीपाः (dīpāḥ) - lamps

• तस्मात् (tasmāt) - therefore, from that

• भरत-सत्तम (bharata-sattama) - O best among the Bhāratas (a traditional epithet for kings/heroes) (O best among Bharatas)

• देवानाम् (devānām) - of the gods

• च (ca) - and, also, moreover

• पितॄणाम् (pitṝṇām) - of the ancestors, of the fathers

• च (ca) - and, also, moreover

• चक्षुष्याः (cakṣuṣyāḥ) - beneficial to the eyes, good for sight

• ते (te) - they (the lamps) (they)

• मताः (matāḥ) - considered, thought, esteemed

• प्रभो (prabho) - O lord, O master

Words meanings and morphology

दातव्याः (dātavyāḥ) - should be given, ought to be given

(adjective)

Nominative, masculine, plural of dātavya

dātavya - to be given, fit to be given, due, suitable

Gerundive (future passive participle)

Gerundive formed from √dā (to give) with suffix -tavya.

Root: dā (class 3)

सततम् (satatam) - always, constantly, continuously

(indeclinable)

Note: Used adverbially here.

दीपाः (dīpāḥ) - lamps

(noun)

Nominative, masculine, plural of dīpa

dīpa - lamp, light, source of light

Derived from root √dīp (to shine, to glow).

Root: dīp (class 4)

तस्मात् (tasmāt) - therefore, from that

(indeclinable)

Ablative of tad used adverbially.

भरत-सत्तम (bharata-sattama) - O best among the Bhāratas (a traditional epithet for kings/heroes) (O best among Bharatas)

(noun)

Vocative, masculine, singular of bharata-sattama

bharata-sattama - best of the Bharatas

Compound type : tatpurusha (bharata+sattama)

• bharata – a descendant of Bharata, a Bharata (an ancient king), an Indian
  proper noun (masculine)
  Root: bhṛ (class 3)
• sattama – best, most excellent
  adjective (masculine)
  Superlative suffix -tama added to 'sat' (good, real).

देवानाम् (devānām) - of the gods

(noun)

Genitive, masculine, plural of deva

deva - god, deity, divine being

Derived from root √div (to shine, to play).

Root: div (class 4)

च (ca) - and, also, moreover

(indeclinable)

पितॄणाम् (pitṝṇām) - of the ancestors, of the fathers

(noun)

Genitive, masculine, plural of pitṛ

pitṛ - father, ancestor

च (ca) - and, also, moreover

(indeclinable)

चक्षुष्याः (cakṣuṣyāḥ) - beneficial to the eyes, good for sight

(adjective)

Nominative, masculine, plural of cakṣuṣya

cakṣuṣya - beneficial to the eyes, wholesome for sight

Derived from cakṣus (eye) with suffix -ya.

ते (te) - they (the lamps) (they)

(pronoun)

Nominative, masculine, plural of tad

tad - that, he, she, it

मताः (matāḥ) - considered, thought, esteemed

(adjective)

Nominative, masculine, plural of mata

mata - considered, thought, esteemed, opinion

Past Passive Participle

Past Passive Participle of √man (to think, believe).

Root: man (class 4)

प्रभो (prabho) - O lord, O master

(noun)

Vocative, masculine, singular of prabhu

prabhu - lord, master, king, powerful

Derived from pra-√bhū (to be eminent, to be powerful).

Prefix: pra

Root: bhū (class 1)