महाभारतः mahābhārataḥ - book-3, chapter-140, verse-8

तैस्तात बलिभिर्गुप्ता यातुधानैश्च रक्षिताः ।
दुर्गमाः पर्वताः पार्थ समाधिं परमं कुरु ॥८॥

8. taistāta balibhirguptā yātudhānaiśca rakṣitāḥ ,
durgamāḥ parvatāḥ pārtha samādhiṁ paramaṁ kuru.

8. taiḥ tāta balibhiḥ guptāḥ yātudhānaiḥ ca rakṣitāḥ
durgamāḥ parvatāḥ pārtha samādhim paramam kuru

8. O dear one, O Pārtha, those mountains are protected by powerful beings and guarded by demons (yātudhāna), making them difficult to access. Therefore, achieve supreme concentration (samādhi).

Words meanings summery:

• तैः (taiḥ) - by those (referring to the powerful beings and demons) (by them, with them, those)

• तात (tāta) - O dear one (an address often used by elders to younger ones, or generally to express affection) (O dear one, O son, O father, O friend)

• बलिभिः (balibhiḥ) - by powerful beings (by powerful ones, by strong ones)

• गुप्ताः (guptāḥ) - protected (protected, guarded, hidden)

• यातुधानैः (yātudhānaiḥ) - by demons (yātudhāna) (by demons, by Rākṣasas)

• च (ca) - and (and, also)

• रक्षिताः (rakṣitāḥ) - guarded (guarded, protected)

• दुर्गमाः (durgamāḥ) - difficult to access, impassable

• पर्वताः (parvatāḥ) - mountains

• पार्थ (pārtha) - O Pārtha (Arjuna) (O Pārtha (son of Pṛthā/Kuntī), O Arjuna)

• समाधिम् (samādhim) - supreme concentration (samādhi) (concentration, deep meditation, absorption, resolution)

• परमम् (paramam) - supreme (supreme, highest, ultimate, best)

• कुरु (kuru) - attain, achieve, establish (do, make, perform, accomplish)

Words meanings and morphology

तैः (taiḥ) - by those (referring to the powerful beings and demons) (by them, with them, those)

(pronoun)

Instrumental, masculine, plural of tad

tad - that, those

तात (tāta) - O dear one (an address often used by elders to younger ones, or generally to express affection) (O dear one, O son, O father, O friend)

(noun)

Vocative, masculine, singular of tāta

tāta - father, dear one, son, friend

बलिभिः (balibhiḥ) - by powerful beings (by powerful ones, by strong ones)

(adjective)

Instrumental, masculine, plural of balin

balin - powerful, strong, mighty

गुप्ताः (guptāḥ) - protected (protected, guarded, hidden)

(adjective)

Nominative, masculine, plural of gupta

gupta - protected, guarded, hidden, secret

Past Passive Participle

Derived from root √gup (to protect, to hide)

Root: gup (class 1)

यातुधानैः (yātudhānaiḥ) - by demons (yātudhāna) (by demons, by Rākṣasas)

(noun)

Instrumental, masculine, plural of yātudhāna

yātudhāna - demon, Rākṣasa, goblin

Compound type : tatpurusha (yātu+dhāna)

• yātu – magic, sorcery, going, journey
  noun (masculine)
• dhāna – holding, placing, receptacle
  noun (neuter)
  Root: dhā (class 3)

च (ca) - and (and, also)

(indeclinable)

रक्षिताः (rakṣitāḥ) - guarded (guarded, protected)

(adjective)

Nominative, masculine, plural of rakṣita

rakṣita - guarded, protected, preserved

Past Passive Participle

Derived from root √rakṣ (to protect, guard)

Root: rakṣ (class 1)

दुर्गमाः (durgamāḥ) - difficult to access, impassable

(adjective)

Nominative, masculine, plural of durgama

durgama - difficult to access, inaccessible, impassable

duḥ (difficult) + gama (going)

Compound type : tatpurusha (dur+gama)

• dur – bad, difficult, ill
  indeclinable
• gama – going, moving, leading to
  adjective (masculine)
  Derived from root √gam (to go)
  Root: gam (class 1)

पर्वताः (parvatāḥ) - mountains

(noun)

Nominative, masculine, plural of parvata

parvata - mountain, hill

पार्थ (pārtha) - O Pārtha (Arjuna) (O Pārtha (son of Pṛthā/Kuntī), O Arjuna)

(proper noun)

Vocative, masculine, singular of pārtha

pārtha - son of Pṛthā, Arjuna, any descendant of Pṛthā

Derived from Pṛthā (Kuntī) + aṇ (patronymic suffix)

समाधिम् (samādhim) - supreme concentration (samādhi) (concentration, deep meditation, absorption, resolution)

(noun)

Accusative, masculine, singular of samādhi

samādhi - concentration, profound meditation, absorption, resolve, mental equipoise, complete understanding

From sam-ā-√dhā (to place together, to collect, to fix)

Prefixes: sam+ā

Root: dhā (class 3)

परमम् (paramam) - supreme (supreme, highest, ultimate, best)

(adjective)

Accusative, masculine, singular of parama

parama - supreme, highest, ultimate, greatest, best

कुरु (kuru) - attain, achieve, establish (do, make, perform, accomplish)

(verb)

2nd person , singular, active, imperative (loṭ) of kṛ

Imperative mood, 2nd person singular, active voice

Second class verb, root √kṛ

Root: kṛ (class 8)