महाभारतः mahābhārataḥ - book-12, chapter-61, verse-3

जटाकरणसंस्कारं द्विजातित्वमवाप्य च ।
आधानादीनि कर्माणि प्राप्य वेदमधीत्य च ॥३॥

3. jaṭākaraṇasaṁskāraṁ dvijātitvamavāpya ca ,
ādhānādīni karmāṇi prāpya vedamadhītya ca.

3. jaṭākaraṇasaṃskāram dvijātitvam avāpya ca |
ādhānādīni karmāṇi prāpya vedam adhītya ca

3. jaṭākaraṇasaṃskāram ca dvijātitvam avāpya
vedam adhītya ca ādhānādīni karmāṇi prāpya

3. Having undergone the ritual (saṃskāra) of adopting matted hair and having attained the status of a twice-born (dvija), and having performed the Agnyādhāna and other primary Vedic duties (karma), and having studied the Veda...

Words meanings summery:

• जटाकरणसंस्कारम् (jaṭākaraṇasaṁskāram) - a specific purificatory ritual (saṃskāra) associated with a forest-dweller's life, where one adopts matted locks (ritual of hair-dressing, ritual for making matted hair)

• द्विजातित्वम् (dvijātitvam) - the status of being a dvija, attained after the sacred thread ceremony (upanayana) (the state of being a twice-born, twice-born status)

• अवाप्य (avāpya) - having successfully acquired or undergone the mentioned status/ritual (having attained, having obtained, having reached)

• च (ca) - connects 'jaṭākaraṇasaṃskāram' and 'dvijātitvam' (and, also)

• आधानादीनि (ādhānādīni) - refers to the ritual of establishing sacred fires (Agnyādhāna) and similar primary Vedic rites (karma) (Agnyādhāna and others, beginning with Agnyādhāna)

• कर्माणि (karmāṇi) - refers to the prescribed Vedic duties and rituals (karma) (actions, deeds, duties, rites)

• प्राप्य (prāpya) - having successfully completed or carried out the mentioned duties (having obtained, having reached, having performed)

• वेदम् (vedam) - refers to the sacred texts of Hinduism (the Veda, sacred knowledge)

• अधीत्य (adhītya) - having completed the study of the Veda (having studied, having learned)

• च (ca) - connects 'vedam adhītya' with the preceding actions. (and, also)

Words meanings and morphology

जटाकरणसंस्कारम् (jaṭākaraṇasaṁskāram) - a specific purificatory ritual (saṃskāra) associated with a forest-dweller's life, where one adopts matted locks (ritual of hair-dressing, ritual for making matted hair)

(noun)

Accusative, masculine, singular of jaṭākaraṇasaṃskāra

jaṭākaraṇasaṁskāra - the rite of adopting matted hair, a purificatory ceremony

Compound type : tatpuruṣa (jaṭākaraṇa+saṃskāra)

• jaṭākaraṇa – making matted hair
  noun (neuter)
  Root: kṛ (class 8)
• jaṭā – matted hair, tangled hair
  noun (feminine)
• karaṇa – making, doing, an instrument, cause
  noun (neuter)
  verbal noun
  derived from kṛ (to do, to make)
  Root: kṛ (class 8)
• saṃskāra – rite, ceremony, purificatory ritual, impression
  noun (masculine)
  derived from sam-kṛ (to prepare, to refine)
  Prefix: sam
  Root: kṛ (class 8)

Note: Direct object of avāpya.

द्विजातित्वम् (dvijātitvam) - the status of being a dvija, attained after the sacred thread ceremony (upanayana) (the state of being a twice-born, twice-born status)

(noun)

Accusative, neuter, singular of dvijātitva

dvijātitva - the state or quality of being a dvija (twice-born)

derived from dvijāti (twice-born) + -tva (suffix for state/quality)

Compound type : tatpuruṣa (dvijāti+tva)

• dvijāti – twice-born, Brahmin, Kshatriya, Vaishya
  noun (masculine)
  Root: jan (class 4)
• tva – suffix denoting 'state of being', 'nature of'
  suffix (neuter)

Note: Direct object of avāpya.

अवाप्य (avāpya) - having successfully acquired or undergone the mentioned status/ritual (having attained, having obtained, having reached)

(indeclinable)

absolutive (lyap)

derived from ava-āp (to obtain)

Prefixes: ava+ā

Root: āp (class 5)

Note: Gerund/absolutive indicating a prior action.

च (ca) - connects 'jaṭākaraṇasaṃskāram' and 'dvijātitvam' (and, also)

(indeclinable)

आधानादीनि (ādhānādīni) - refers to the ritual of establishing sacred fires (Agnyādhāna) and similar primary Vedic rites (karma) (Agnyādhāna and others, beginning with Agnyādhāna)

(adjective)

Accusative, neuter, plural of ādhānādi

ādhānādi - beginning with the Agnyādhāna, Agnyādhāna and other (rites)

Compound type : tatpuruṣa (ādhāna+ādi)

• ādhāna – placing, establishing, especially of sacred fires (Agnyādhāna)
  noun (neuter)
  verbal noun
  derived from ā-dhā (to place, to establish)
  Prefix: ā
  Root: dhā (class 3)
• ādi – beginning, etcetera, and others
  indeclinable

Note: Modifies karmāṇi.

कर्माणि (karmāṇi) - refers to the prescribed Vedic duties and rituals (karma) (actions, deeds, duties, rites)

(noun)

Accusative, neuter, plural of karman

karman - action, deed, work, duty

Root: kṛ (class 8)

Note: Direct object of prāpya.

प्राप्य (prāpya) - having successfully completed or carried out the mentioned duties (having obtained, having reached, having performed)

(indeclinable)

absolutive (lyap)

derived from pra-āp (to obtain, to attain)

Prefixes: pra+ā

Root: āp (class 5)

Note: Gerund/absolutive indicating a prior action.

वेदम् (vedam) - refers to the sacred texts of Hinduism (the Veda, sacred knowledge)

(noun)

Accusative, masculine, singular of veda

veda - sacred knowledge, Veda

derived from vid (to know)

Root: vid (class 2)

Note: Direct object of adhītya.

अधीत्य (adhītya) - having completed the study of the Veda (having studied, having learned)

(indeclinable)

absolutive (lyap)

derived from adhi-i (to study)

Prefix: adhi

Root: i (class 2)

Note: Gerund/absolutive indicating a prior action.

च (ca) - connects 'vedam adhītya' with the preceding actions. (and, also)

(indeclinable)