महाभारतः mahābhārataḥ - book-3, chapter-81, verse-7

ततो मचक्रुकं राजन्द्वारपालं महाबलम् ।
यक्षं समभिवाद्यैव गोसहस्रफलं लभेत् ॥७॥

7. tato macakrukaṁ rājandvārapālaṁ mahābalam ,
yakṣaṁ samabhivādyaiva gosahasraphalaṁ labhet.

7. tataḥ macakrukam rājan dvārapālam mahābalam
yakṣam samabhivādya eva gosahasraphalam labhet

7. Then (tataḥ), O King (rājan), by respectfully greeting (samabhivādya eva) Macakruka, who is the doorkeeper (dvārapālam) and a very powerful (mahābalam) Yaksha (yakṣam), one would surely obtain (labhet) the merit (phalam) of donating a thousand cows.

Words meanings summery:

• ततः (tataḥ) - then, thereupon, from there

• मचक्रुकम् (macakrukam) - The name of a specific doorkeeper Yaksha. (Macakruka (proper name))

• राजन् (rājan) - O king

• द्वारपालम् (dvārapālam) - doorkeeper, gatekeeper

• महाबलम् (mahābalam) - very powerful, greatly strong

• यक्षम् (yakṣam) - Yaksha (a class of nature-spirits)

• समभिवाद्य (samabhivādya) - having respectfully greeted, having saluted completely

• एव (eva) - indeed, only, just, certainly

• गोसहस्रफलम् (gosahasraphalam) - the fruit of a thousand cows; merit equal to donating a thousand cows

• लभेत् (labhet) - he would obtain, he might obtain, he should obtain

Words meanings and morphology

ततः (tataḥ) - then, thereupon, from there

(indeclinable)

from tad with -tas suffix

मचक्रुकम् (macakrukam) - The name of a specific doorkeeper Yaksha. (Macakruka (proper name))

(proper noun)

Accusative, masculine, singular of macakruka

macakruka - Macakruka (name of a Yaksha)

Note: Object of 'samabhivādya'.

राजन् (rājan) - O king

(noun)

Vocative, masculine, singular of rājan

rājan - king, sovereign

Root: rāj

द्वारपालम् (dvārapālam) - doorkeeper, gatekeeper

(noun)

Accusative, masculine, singular of dvārapāla

dvārapāla - doorkeeper, gatekeeper (dvāra 'door' + pāla 'protector, keeper')

Compound type : tatpurusha (dvāra+pāla)

• dvāra – door, gate
  noun (neuter)
• pāla – protector, keeper
  noun (masculine)
  Root: pā (class 2)

Note: Appositive to 'macakrukam'.

महाबलम् (mahābalam) - very powerful, greatly strong

(adjective)

Accusative, masculine, singular of mahābala

mahābala - very strong, mighty (mahā 'great' + bala 'strength')

Compound type : karmadhāraya (mahā+bala)

• mahā – great, large
  adjective
• bala – strength, power
  noun (neuter)

Note: Adjective for 'macakrukam', 'dvārapālam', 'yakṣam'.

यक्षम् (yakṣam) - Yaksha (a class of nature-spirits)

(noun)

Accusative, masculine, singular of yakṣa

yakṣa - Yaksha (a class of semi-divine beings, guardians of wealth)

Root: yaj (class 1)

Note: Appositive to 'macakrukam'.

समभिवाद्य (samabhivādya) - having respectfully greeted, having saluted completely

(indeclinable)

absolutive (gerund)

formed with suffix -ya (after prefixes)

Prefixes: sam+abhi

Root: vad (class 1)

Note: Functions as an indeclinable participle.

एव (eva) - indeed, only, just, certainly

(indeclinable)

Note: Emphatic particle.

गोसहस्रफलम् (gosahasraphalam) - the fruit of a thousand cows; merit equal to donating a thousand cows

(noun)

Accusative, neuter, singular of gosahasraphala

gosahasraphala - the fruit/result/merit of (giving) a thousand cows (go 'cow' + sahasra 'thousand' + phala 'fruit, result')

Compound type : tatpurusha (go+sahasra+phala)

• go – cow, ox, cattle
  noun (feminine)
• sahasra – thousand
  numeral (neuter)
• phala – fruit, result, reward, merit
  noun (neuter)

Note: Object of 'labhet'.

लभेत् (labhet) - he would obtain, he might obtain, he should obtain

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of labh

optative mood

from root labh, present class 1 (labhate), ātmanepada, but here parasmāipada form.

Root: labh (class 1)

Note: Subject is implied (a person who performs the action).