महाभारतः mahābhārataḥ - book-7, chapter-18, verse-16

अथ प्रहस्य बीभत्सुर्ललित्थान्मालवानपि ।
माचेल्लकांस्त्रिगर्तांश्च यौधेयांश्चार्दयच्छरैः ॥१६॥

16. atha prahasya bībhatsurlalitthānmālavānapi ,
mācellakāṁstrigartāṁśca yaudheyāṁścārdayaccharaiḥ.

16. atha prahasya bībhatsuḥ lalitthān mālavān api
mācellakān trigartān ca yaudheyān ca ardayat śaraiḥ

16. atha bībhatsuḥ prahasya lalitthān mālavān api
mācellakān ca trigartān ca yaudheyān ca śaraiḥ ardayat

16. Then, laughing, Bhībhitsu (Arjuna) attacked the Lalitthas, as well as the Mālavās, Mācellakas, Trigartas, and Yaudheyas, with his arrows.

Words meanings summery:

• अथ (atha) - then, now, moreover

• प्रहस्य (prahasya) - having laughed, smiling

• बीभत्सुः (bībhatsuḥ) - Arjuna (one of his epithets) (Bhībhitsu (Arjuna), one who hates)

• ललित्थान् (lalitthān) - a specific tribe/people (the Lalitthas)

• मालवान् (mālavān) - a specific tribe/people (the Mālavās)

• अपि (api) - as well as (also, even, too)

• माचेल्लकान् (mācellakān) - a specific tribe/people (the Mācellakas)

• त्रिगर्तान् (trigartān) - a specific tribe/people (the Trigartas)

• च (ca) - and

• यौधेयान् (yaudheyān) - a specific tribe/people (the Yaudheyas)

• च (ca) - and

• अर्दयत् (ardayat) - he tormented, he afflicted, he attacked

• शरैः (śaraiḥ) - with arrows

Words meanings and morphology

अथ (atha) - then, now, moreover

(indeclinable)

प्रहस्य (prahasya) - having laughed, smiling

(indeclinable)

Absolutive (Gerund)

Derived from root √has (to laugh) with pra prefix and suffix lyap.

Prefix: pra

Root: has (class 1)

बीभत्सुः (bībhatsuḥ) - Arjuna (one of his epithets) (Bhībhitsu (Arjuna), one who hates)

(proper noun)

Nominative, masculine, singular of bībhatsu

bībhatsu - Bhībhitsu (epithet of Arjuna), disgusting, abhorrent, one who feels disgust

Desiderative form from √bhī (to fear) + intensifier.

An epithet of Arjuna, meaning "one who detests or abhors (wicked deeds/war)".

Root: bhī (class 3)

ललित्थान् (lalitthān) - a specific tribe/people (the Lalitthas)

(proper noun)

Accusative, masculine, plural of lalittha

lalittha - name of a people or tribe

मालवान् (mālavān) - a specific tribe/people (the Mālavās)

(proper noun)

Accusative, masculine, plural of mālava

mālava - name of a people, a region

अपि (api) - as well as (also, even, too)

(indeclinable)

माचेल्लकान् (mācellakān) - a specific tribe/people (the Mācellakas)

(proper noun)

Accusative, masculine, plural of mācellaka

mācellaka - name of a people or tribe

त्रिगर्तान् (trigartān) - a specific tribe/people (the Trigartas)

(proper noun)

Accusative, masculine, plural of trigarta

trigarta - name of a people or country, "three pits"

Compound type : dvigu (tri+garta)

• tri – three
  numeral
• garta – pit, hole, ditch
  noun (masculine)
  Root: gṛ (class 6)

च (ca) - and

(indeclinable)

यौधेयान् (yaudheyān) - a specific tribe/people (the Yaudheyas)

(proper noun)

Accusative, masculine, plural of yaudheya

yaudheya - name of a warrior tribe, descendants of Yudha

च (ca) - and

(indeclinable)

अर्दयत् (ardayat) - he tormented, he afflicted, he attacked

(verb)

3rd person , singular, active, past imperfect (Laṅ) of ard

Imperfect third person singular

Form of √ard (to torment) in Laṅ (Imperfect) tense, 3rd person singular.

Root: ard (class 1)

Note: Subject is bībhatsuḥ.

शरैः (śaraiḥ) - with arrows

(noun)

Instrumental, masculine, plural of śara

śara - arrow

Root: śṛ (class 9)