महाभारतः mahābhārataḥ - book-12, chapter-221, verse-51

यूनः सहसमासीनान्वृद्धानभिगतान्सतः ।
नाभ्युत्थानाभिवादाभ्यां यथापूर्वमपूजयन् ॥५१॥

51. yūnaḥ sahasamāsīnānvṛddhānabhigatānsataḥ ,
nābhyutthānābhivādābhyāṁ yathāpūrvamapūjayan.

51. yūnaḥ sahasamāsīnān vṛddhān abhigatān sataḥ na
abhyutthānābhivādābhyām yathāpūrvam apūjayan

51. yūnaḥ sahasamāsīnān abhigatān sataḥ vṛddhān
yathāpūrvam abhyutthānābhivādābhyām na apūjayan

51. The youths, sitting together, did not honor the elders who were present or approached them, with the usual rising and salutations, as they had done previously.

Words meanings summery:

• यूनः (yūnaḥ) - the youths (of youths, by youths, young ones)

• सहसमासीनान् (sahasamāsīnān) - those elders who were sitting together (sitting together, assembled together)

• वृद्धान् (vṛddhān) - the elders (old ones, elders, grown-ups)

• अभिगतान् (abhigatān) - those (elders) who had approached or were approached (approached, arrived, gone near)

• सतः (sataḥ) - those (elders) who were present or virtuous (being, existing, good, virtuous, real; those who are present)

• न (na) - not (not, no)

• अभ्युत्थानाभिवादाभ्याम् (abhyutthānābhivādābhyām) - by the customary acts of rising and offering salutations (by rising and salutations)

• यथापूर्वम् (yathāpūrvam) - as they had done previously (as before, as previously, in the former manner)

• अपूजयन् (apūjayan) - they (the youths) honored (they honored, worshipped)

Words meanings and morphology

यूनः (yūnaḥ) - the youths (of youths, by youths, young ones)

(noun)

Nominative, masculine, plural of yuvā

yuvā - youth, young man, young woman

Note: Refers to the young people who failed to offer respect.

सहसमासीनान् (sahasamāsīnān) - those elders who were sitting together (sitting together, assembled together)

(adjective)

Accusative, masculine, plural of sahasamāsīna

sahasamāsīna - sitting together, assembled

Present Active Participle

Derived from 'sam-ā-√ās' (to sit) with 'saha' (together).

Compound type : tatpuruṣa (saha+samāsīna)

• saha – with, together
  indeclinable
• samāsīna – sitting, assembled
  adjective (masculine)
  Present Active Participle
  Derived from 'sam-ā-√ās'.
  Prefixes: sam+ā
  Root: ās (class 2)

Note: Describes the elders (vṛddhān).

वृद्धान् (vṛddhān) - the elders (old ones, elders, grown-ups)

(noun)

Accusative, masculine, plural of vṛddha

vṛddha - old, aged, grown, expanded, augmented

Past Passive Participle

From √vṛdh (to grow).

Root: vṛdh (class 1)

Note: Object of the verb 'apūjayan'.

अभिगतान् (abhigatān) - those (elders) who had approached or were approached (approached, arrived, gone near)

(adjective)

Accusative, masculine, plural of abhigata

abhigata - approached, arrived, accessible, gone to

Past Passive Participle

From 'abhi-√gam' (to go towards).

Prefix: abhi

Root: gam (class 1)

Note: Describes the elders (vṛddhān).

सतः (sataḥ) - those (elders) who were present or virtuous (being, existing, good, virtuous, real; those who are present)

(adjective)

Accusative, masculine, plural of sat

sat - being, existing, good, virtuous, true, real

Present Active Participle

From √as (to be).

Root: as (class 2)

Note: Describes the elders (vṛddhān).

न (na) - not (not, no)

(indeclinable)

Note: Negates the action of 'apūjayan'.

अभ्युत्थानाभिवादाभ्याम् (abhyutthānābhivādābhyām) - by the customary acts of rising and offering salutations (by rising and salutations)

(noun)

Instrumental, masculine, dual of abhyutthānābhivāda

abhyutthānābhivāda - rising up and salutation, respectful greeting

Compound type : dvandva (abhyutthāna+abhivāda)

• abhyutthāna – rising up, standing up
  noun (neuter)
  From 'abhi-ud-√sthā' (to stand up).
  Prefixes: abhi+ud
  Root: sthā (class 1)
• abhivāda – salutation, greeting, reverence
  noun (masculine)
  From 'abhi-√vad' (to speak to).
  Prefix: abhi
  Root: vad (class 1)

Note: Indicates the means by which honor is shown.

यथापूर्वम् (yathāpūrvam) - as they had done previously (as before, as previously, in the former manner)

(indeclinable)

Compound type : avyayībhāva (yathā+pūrvam)

• yathā – as, according to
  indeclinable
• pūrvam – before, formerly
  indeclinable

Note: Modifies the verb 'apūjayan'.

अपूजयन् (apūjayan) - they (the youths) honored (they honored, worshipped)

(verb)

3rd person , plural, active, past imperfect (laṅ) of pūj

Root: pūj (class 10)

Note: The main verb of the sentence, negated by 'na'.