महाभारतः mahābhārataḥ - book-12, chapter-159, verse-35

संवत्सरेण पतति पतितेन सहाचरन् ।
याजनाध्यापनाद्यौनान्न तु यानासनाशनात् ॥३५॥

35. saṁvatsareṇa patati patitena sahācaran ,
yājanādhyāpanādyaunānna tu yānāsanāśanāt.

35. saṃvatsareṇa patati patitena saha ācaran
yājana-adhyāpana-ādi-yaunāt na tu yāna-āsana-aśanāt

35. patitena saha ācaran (janaḥ) saṃvatsareṇa patati (saḥ) yājana-adhyāpana-ādi-yaunāt (patati),
tu yāna-āsana-aśanāt na (patati)

35. One falls (from one's status) in a year by associating with a fallen person, specifically through officiating sacrifices for them, teaching them, or marital relations, but not merely by riding, sitting, or eating with them.

Words meanings summery:

• संवत्सरेण (saṁvatsareṇa) - in a year, by a year

• पतति (patati) - falls, becomes fallen

• पतितेन (patitena) - by/with a fallen one

• सह (saha) - with, along with

• आचरन् (ācaran) - associating (with a fallen person) (behaving, practicing, associating)

• याजन-अध्यापन-आदि-यौनात् (yājana-adhyāpana-ādi-yaunāt) - from specific ritual, instructional, or marital associations (from officiating sacrifices, teaching, and other marriage-related activities)

• न (na) - not, no

• तु (tu) - but, on the other hand

• यान-आसन-अशनात् (yāna-āsana-aśanāt) - from mere acts of physical proximity (from riding, sitting, and eating)

Words meanings and morphology

संवत्सरेण (saṁvatsareṇa) - in a year, by a year

(noun)

Instrumental, masculine, singular of saṃvatsara

saṁvatsara - year, an annual period

Root: vas (class 1)

पतति (patati) - falls, becomes fallen

(verb)

3rd person , singular, active, present (laṭ) of pat

Present Active

Root: pat (class 1)

पतितेन (patitena) - by/with a fallen one

(noun)

Instrumental, masculine, singular of patita

patita - fallen, degraded, outcast, sinful

Past Passive Participle

Derived from root pat (to fall) with suffix -ta.

Root: pat (class 1)

सह (saha) - with, along with

(indeclinable)

आचरन् (ācaran) - associating (with a fallen person) (behaving, practicing, associating)

(participle)

Nominative, masculine, singular of ācarat

ācarat - behaving, practicing, associating, following

Present Active Participle

Derived from root car with prefix ā-.

Prefix: ā

Root: car (class 1)

Note: Refers to the implied subject of `patati`.

याजन-अध्यापन-आदि-यौनात् (yājana-adhyāpana-ādi-yaunāt) - from specific ritual, instructional, or marital associations (from officiating sacrifices, teaching, and other marriage-related activities)

(noun)

Ablative, neuter, singular of yājanādhyāpanādi-yauna

yājanādhyāpanādi-yauna - (things like) officiating sacrifices, teaching, and marital relations

Compound type : dvandva-tatpuruṣa (yājana+adhyāpana+ādi+yauna)

• yājana – officiating at a sacrifice for another, causing to sacrifice
  noun (neuter)
  Derived from root yaj (to sacrifice) with causative and suffix -ana.
  Root: yaj (class 1)
• adhyāpana – teaching, instruction
  noun (neuter)
  Derived from root i (to go) with prefixes adhi- and ā-, and causative, with suffix -ana.
  Prefixes: adhi+ā
  Root: i (class 2)
• ādi – beginning, etcetera, and so on
  indeclinable
• yauna – relating to marriage, connubial
  adjective (neuter)
  Derived from yoni (womb, origin, family) with suffix -a.

Note: Sandhi with `na` causes `t` to become `n`.

न (na) - not, no

(indeclinable)

तु (tu) - but, on the other hand

(indeclinable)

यान-आसन-अशनात् (yāna-āsana-aśanāt) - from mere acts of physical proximity (from riding, sitting, and eating)

(noun)

Ablative, neuter, singular of yānāsanāśana

yānāsanāśana - riding, sitting, and eating

Compound type : dvandva (yāna+āsana+aśana)

• yāna – going, motion, vehicle, riding
  noun (neuter)
  Derived from root yā (to go) with suffix -ana.
  Root: yā (class 2)
• āsana – sitting, seat, posture
  noun (neuter)
  Derived from root ās (to sit) with suffix -ana.
  Root: ās (class 2)
• aśana – eating, food
  noun (neuter)
  Derived from root aś (to eat) with suffix -ana.
  Root: aś (class 9)