महाभारतः mahābhārataḥ - book-6, chapter-111, verse-19

अयं चापि महेष्वासः पार्षतो वाहिनीपतिः ।
भीमसेनश्च समरे पालयिष्यति वो ध्रुवम् ॥१९॥

19. ayaṁ cāpi maheṣvāsaḥ pārṣato vāhinīpatiḥ ,
bhīmasenaśca samare pālayiṣyati vo dhruvam.

19. ayam ca api maheṣvāsaḥ pārṣataḥ vāhinīpatiḥ
bhīmasenaḥ ca samare pālayiṣyati vaḥ dhruvam

19. ca api ayam maheṣvāsaḥ pārṣataḥ vāhinīpatiḥ ca bhīmasenaḥ samare vaḥ dhruvam pālayiṣyati.

19. And this great archer (maheṣvāsa) Dhṛṣṭadyumna (pārṣata), the commander of the army (vāhinīpati), as well as Bhīmasena, will certainly protect you in battle.

Words meanings summery:

• अयम् (ayam) - this Dhṛṣṭadyumna (this (one))

• च (ca) - and, also

• अपि (api) - also, even, indeed

• महेष्वासः (maheṣvāsaḥ) - Dhṛṣṭadyumna, who is a great archer (great archer, having a great bow)

• पार्षतः (pārṣataḥ) - Dhṛṣṭadyumna (son of Drupada, whose father was Pṛṣata) (son of Pṛṣata)

• वाहिनीपतिः (vāhinīpatiḥ) - Dhṛṣṭadyumna, as the general of the Pāṇḍava army (commander of the army, lord of the army)

• भीमसेनः (bhīmasenaḥ) - Bhīmasena

• च (ca) - and, also

• समरे (samare) - in battle, in combat

• पालयिष्यति (pālayiṣyati) - will protect, will guard

• वः (vaḥ) - you (soldiers of the Pāṇḍava army) (you (plural))

• ध्रुवम् (dhruvam) - certainly, surely, undoubtedly

Words meanings and morphology

अयम् (ayam) - this Dhṛṣṭadyumna (this (one))

(pronoun)

Nominative, masculine, singular of idam

idam - this, he, she, it

Note: Refers to Dhṛṣṭadyumna.

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, indeed

(indeclinable)

महेष्वासः (maheṣvāsaḥ) - Dhṛṣṭadyumna, who is a great archer (great archer, having a great bow)

(adjective)

Nominative, masculine, singular of maheṣvāsa

maheṣvāsa - great archer, having a great bow

Compound type : Bahuvrīhi (mahat+iṣvāsa)

• mahat – great, large, mighty, excellent
  adjective (neuter)
• iṣvāsa – bow (and arrow), archer
  noun (masculine)

Note: Qualifies Dhṛṣṭadyumna (pārṣataḥ).

पार्षतः (pārṣataḥ) - Dhṛṣṭadyumna (son of Drupada, whose father was Pṛṣata) (son of Pṛṣata)

(proper noun)

Nominative, masculine, singular of pārṣata

pārṣata - son of Pṛṣata (an epithet for Dhṛṣṭadyumna)

Note: Patronymic for Dhṛṣṭadyumna.

वाहिनीपतिः (vāhinīpatiḥ) - Dhṛṣṭadyumna, as the general of the Pāṇḍava army (commander of the army, lord of the army)

(noun)

Nominative, masculine, singular of vāhinīpati

vāhinīpati - commander of the army, chief of an army

Compound type : Tatpuruṣa (vāhinī+pati)

• vāhinī – army, host, troop; river
  noun (feminine)
• pati – lord, master, chief, husband
  noun (masculine)

Note: Qualifies Dhṛṣṭadyumna.

भीमसेनः (bhīmasenaḥ) - Bhīmasena

(proper noun)

Nominative, masculine, singular of bhīmasena

bhīmasena - Bhīmasena (the second Pāṇḍava brother)

च (ca) - and, also

(indeclinable)

समरे (samare) - in battle, in combat

(noun)

Locative, masculine, singular of samara

samara - battle, war, conflict, encounter

पालयिष्यति (pālayiṣyati) - will protect, will guard

(verb)

3rd person , singular, active, Future (Lṛṭ) of pāl

Causative / Denominative

Derived from the root 'pā' (to protect) or denominative from 'pāla' (protector). Often treated as 10th class.

Root: pā (class 1)

Note: Grammatically singular, despite 'Dhṛṣṭadyumna and Bhīmasena' acting as the subject. This is an epic irregularity where a singular verb is sometimes used for multiple subjects, especially when 'ca' connects the last subject.

वः (vaḥ) - you (soldiers of the Pāṇḍava army) (you (plural))

(pronoun)

Accusative, plural of yuṣmad

yuṣmad - you (pronoun)

Note: Can also be dative or genitive, but here it is the direct object of 'will protect'.

ध्रुवम् (dhruvam) - certainly, surely, undoubtedly

(indeclinable)

Note: Used adverbially here.