महाभारतः mahābhārataḥ - book-3, chapter-50, verse-28

वयं हि देवगन्धर्वमनुष्योरगराक्षसान् ।
दृष्टवन्तो न चास्माभिर्दृष्टपूर्वस्तथाविधः ॥२८॥

28. vayaṁ hi devagandharvamanuṣyoragarākṣasān ,
dṛṣṭavanto na cāsmābhirdṛṣṭapūrvastathāvidhaḥ.

28. vayam hi devagandharvamanuṣyoragarākṣasān
dṛṣṭavantaḥ na ca asmābhiḥ dṛṣṭapūrvaḥ tathāvidhaḥ

28. Indeed, we have seen gods, gandharvas, humans, serpents, and rākṣasas; yet, we have never before seen anyone of his kind.

Words meanings summery:

• वयम् (vayam) - we

• हि (hi) - indeed, for, because, surely

• देवगन्धर्वमनुष्योरगराक्षसान् (devagandharvamanuṣyoragarākṣasān) - gods, gandharvas, humans, serpents (nāgas), and rākṣasas

• दृष्टवन्तः (dṛṣṭavantaḥ) - having seen, seen

• न (na) - not, no

• च (ca) - and, also

• अस्माभिः (asmābhiḥ) - by us

• दृष्टपूर्वः (dṛṣṭapūrvaḥ) - seen before, previously seen

• तथाविधः (tathāvidhaḥ) - such a one, of that kind, similar

Words meanings and morphology

वयम् (vayam) - we

(pronoun)

Nominative, masculine, plural of asmad

asmad - I, we

हि (hi) - indeed, for, because, surely

(indeclinable)

देवगन्धर्वमनुष्योरगराक्षसान् (devagandharvamanuṣyoragarākṣasān) - gods, gandharvas, humans, serpents (nāgas), and rākṣasas

(noun)

Accusative, masculine, plural of devagandharvamanuṣyoragarākṣasa

devagandharvamanuṣyoragarākṣasa - gods, gandharvas, humans, serpents (nāgas), and rākṣasas (a collective term)

Copulative (Dvandva) compound listing various classes of beings.

Compound type : dvandva (deva+gandharva+manuṣya+uraga+rākṣasa)

• deva – god, deity, divine being
  noun (masculine)
• gandharva – a class of celestial musicians and dancers
  noun (masculine)
• manuṣya – human, man
  noun (masculine)
• uraga – serpent, nāga (literally 'moving on the breast')
  noun (masculine)
• rākṣasa – a class of demonic beings or giants
  noun (masculine)

दृष्टवन्तः (dṛṣṭavantaḥ) - having seen, seen

(adjective)

Nominative, masculine, plural of dṛṣṭavat

dṛṣṭavat - having seen, one who has seen

Past active participle (ktavatu)

Formed from root dṛś (to see) + suffix ktavat.

Root: dṛś (class 1)

न (na) - not, no

(indeclinable)

च (ca) - and, also

(indeclinable)

अस्माभिः (asmābhiḥ) - by us

(pronoun)

Instrumental, masculine, plural of asmad

asmad - I, we

दृष्टपूर्वः (dṛṣṭapūrvaḥ) - seen before, previously seen

(adjective)

Nominative, masculine, singular of dṛṣṭapūrva

dṛṣṭapūrva - seen before, previously seen

Compound of dṛṣṭa (seen) and pūrva (before).

Compound type : tatpuruṣa (dṛṣṭa+pūrva)

• dṛṣṭa – seen, viewed, observed
  adjective (masculine)
  Past Passive Participle
  From root dṛś (to see) + suffix kta.
  Root: dṛś (class 1)
• pūrva – former, previous, earlier
  adjective (masculine)

तथाविधः (tathāvidhaḥ) - such a one, of that kind, similar

(adjective)

Nominative, masculine, singular of tathāvidha

tathāvidha - of that kind, such like, similar

Compound (Karmadhāraya) 'such a kind'.

Compound type : karmadhāraya (tathā+vidha)

• tathā – thus, so, in that manner
  indeclinable
• vidha – kind, sort, manner
  noun (masculine)
  From root dhā with prefix vi.
  Prefix: vi
  Root: dhā (class 3)