महाभारतः mahābhārataḥ - book-6, chapter-65, verse-18

आचार्य सततं त्वं हि हितकामो ममानघ ।
वयं हि त्वां समाश्रित्य भीष्मं चैव पितामहम् ॥१८॥

18. ācārya satataṁ tvaṁ hi hitakāmo mamānagha ,
vayaṁ hi tvāṁ samāśritya bhīṣmaṁ caiva pitāmaham.

18. ācārya satataṃ tvaṃ hi hitakāmaḥ mama anagha
vayam hi tvām samāśritya bhīṣmaṃ ca eva pitāmahaṃ

18. anagha ācārya,
hi tvaṃ satataṃ mama hitakāmaḥ.
hi vayam tvām ca eva pitāmahaṃ bhīṣmaṃ samāśritya.
.
.

18. O sinless Teacher, you are always indeed my well-wisher. We, having indeed taken refuge in you and also Grandfather Bhishma...

Words meanings summery:

• आचार्य (ācārya) - O Teacher (O teacher, preceptor)

• सततं (satataṁ) - always (always, constantly, perpetually)

• त्वं (tvaṁ) - you (you (nominative))

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

• हितकामः (hitakāmaḥ) - well-wisher (well-wisher, desirous of good, benevolent)

• मम (mama) - my (my, mine)

• अनघ (anagha) - O sinless one (O sinless one, faultless)

• वयम् (vayam) - we

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

• त्वाम् (tvām) - you (you (accusative))

• समाश्रित्य (samāśritya) - having taken refuge in (having resorted to, having taken refuge in, having depended on)

• भीष्मं (bhīṣmaṁ) - Bhishma (Bhishma (accusative))

• च (ca) - and (and, also, moreover)

• एव (eva) - and also (only, indeed, just)

• पितामहं (pitāmahaṁ) - Grandfather (grandfather, great father)

Words meanings and morphology

आचार्य (ācārya) - O Teacher (O teacher, preceptor)

(noun)

Vocative, masculine, singular of ācārya

ācārya - teacher, preceptor, master

From ā-√car (to practice, behave).

Root: car (class 1)

सततं (satataṁ) - always (always, constantly, perpetually)

(indeclinable)

From saṃ-√tan (to extend continuously). Accusative singular neuter used adverbially.

Root: tan (class 8)

Note: Modifies hitakāmaḥ.

त्वं (tvaṁ) - you (you (nominative))

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you (2nd person pronoun)

Personal pronoun, 2nd person singular.

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

(indeclinable)

Particle, emphasis or cause.

हितकामः (hitakāmaḥ) - well-wisher (well-wisher, desirous of good, benevolent)

(adjective)

Nominative, masculine, singular of hitakāma

hitakāma - desirous of good, well-wishing, benevolent

Compound: hita (good, beneficial) + kāma (desire, desirous).

Compound type : tatpuruṣa (hita+kāma)

• hita – beneficial, good, welfare; past passive participle of √dhā
  adjective (neuter)
  Past Passive Participle
  From root √dhā (to place, do, hold).
  Root: dhā (class 3)
• kāma – desire, wish, love; desirous
  noun (masculine)
  From root √kam (to desire).
  Root: kam (class 1)

मम (mama) - my (my, mine)

(pronoun)

Genitive, singular of asmad

asmad - I, me (1st person pronoun)

Personal pronoun, 1st person singular, genitive.

Note: Possessive for hitakāmaḥ.

अनघ (anagha) - O sinless one (O sinless one, faultless)

(adjective)

Vocative, masculine, singular of anagha

anagha - sinless, faultless, pure

Compound: a- (negation) + agha (sin, fault).

Compound type : bahuvrihi (a+agha)

• a – not, un-
  indeclinable
  Negative prefix.
• agha – sin, fault, evil
  noun (neuter)

Note: Address to Drona.

वयम् (vayam) - we

(pronoun)

Nominative, plural of asmad

asmad - I, me (1st person pronoun)

Personal pronoun, 1st person plural.

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

(indeclinable)

Particle, emphasis or cause.

त्वाम् (tvām) - you (you (accusative))

(pronoun)

Accusative, singular of yuṣmad

yuṣmad - you (2nd person pronoun)

Personal pronoun, 2nd person singular.

समाश्रित्य (samāśritya) - having taken refuge in (having resorted to, having taken refuge in, having depended on)

(indeclinable)

Absolutive (gerund)

From root √śri (to resort to, lean on) with prefixes sam- and ā-. Formed with -ya suffix.

Prefixes: sam+ā

Root: śri (class 1)

Note: Connects a prior action.

भीष्मं (bhīṣmaṁ) - Bhishma (Bhishma (accusative))

(proper noun)

Accusative, masculine, singular of bhīṣma

bhīṣma - terrible, formidable; Bhishma (name of a character)

From root √bhī (to fear) + -sman suffix.

Root: bhī (class 3)

Note: Object of samāśritya.

च (ca) - and (and, also, moreover)

(indeclinable)

Conjunction.

Note: Connects clauses or items in a list.

एव (eva) - and also (only, indeed, just)

(indeclinable)

Emphatic particle.

पितामहं (pitāmahaṁ) - Grandfather (grandfather, great father)

(noun)

Accusative, masculine, singular of pitāmaha

pitāmaha - grandfather (father's father), Brahma

Compound: pitṛ (father) + maha (great).

Compound type : tatpuruṣa (pitṛ+maha)

• pitṛ – father
  noun (masculine)
  R-stem noun.
• maha – great, large
  adjective (masculine)