वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-78, verse-17

तौ भासयन्तावाकाशं धनुर्भ्यां विशिखौ च्युतौ ।
मुखेन मुखमाहत्य संनिपेततुरोजसा ॥१७॥

17. tau bhāsayantāvākāśaṃ dhanurbhyāṃ viśikhau cyutau ,
mukhena mukhamāhatya saṃnipetaturojasā.

17. tau bhāsayantau ākāśam dhanurbhyām viśikhau
cyutau mukhena mukham āhṛtya saṃnipetatuḥ ojasā

17. dhanurbhyām cyutau tau viśikhau ākāśam bhāsayantau
mukhena mukham āhṛtya ojasā saṃnipetatuḥ

17. Released from the bows, those two arrows, illuminating the sky, struck each other point-to-point and collided with immense force.

Words meanings summery:

• तौ (tau) - those two (arrows) (those two)

• भासयन्तौ (bhāsayantau) - illuminating, making to shine

• आकाशम् (ākāśam) - sky, space, ether

• धनुर्भ्याम् (dhanurbhyām) - from the two bows

• विशिखौ (viśikhau) - arrows

• च्युतौ (cyutau) - released, fallen, discharged

• मुखेन (mukhena) - with the point (of the arrow) (by the mouth, by the point, with the face)

• मुखम् (mukham) - the point (of the arrow) (mouth, face, point)

• आहृत्य (āhṛtya) - having struck (each other) (having struck, having brought near)

• संनिपेततुः (saṁnipetatuḥ) - they fell together, collided

• ओजसा (ojasā) - with immense force (with might, with force, with power)

Words meanings and morphology

तौ (tau) - those two (arrows) (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, those

Note: Refers to the arrows.

भासयन्तौ (bhāsayantau) - illuminating, making to shine

(adjective)

Nominative, masculine, dual of bhāsayat

bhāsayat - illuminating, causing to shine

Present Active Participle (Causative)

From causative of √bhās (to shine)

Root: bhās (class 1)

Note: Agrees with 'tau' (arrows).

आकाशम् (ākāśam) - sky, space, ether

(noun)

Accusative, masculine, singular of ākāśa

ākāśa - sky, space, ether

Note: Object of 'bhāsayantau'.

धनुर्भ्याम् (dhanurbhyām) - from the two bows

(noun)

Ablative, neuter, dual of dhanus

dhanus - bow

Note: Indicates the source from which the arrows were released.

विशिखौ (viśikhau) - arrows

(noun)

Nominative, masculine, dual of viśikha

viśikha - arrow (literally, without a point, but used generally for arrow)

Note: Synonym for 'sāyakau', referring to the arrows.

च्युतौ (cyutau) - released, fallen, discharged

(adjective)

Nominative, masculine, dual of cyuta

cyuta - fallen, dropped, discharged, released

Past Passive Participle

From √cyu (to move, to fall)

Root: cyu (class 1)

Note: Agrees with 'viśikhau'.

मुखेन (mukhena) - with the point (of the arrow) (by the mouth, by the point, with the face)

(noun)

Instrumental, neuter, singular of mukha

mukha - mouth, face, point, front

Note: Used with 'mukham' to mean 'point-to-point'.

मुखम् (mukham) - the point (of the arrow) (mouth, face, point)

(noun)

Accusative, neuter, singular of mukha

mukha - mouth, face, point, front

Note: Object of 'āhṛtya'.

आहृत्य (āhṛtya) - having struck (each other) (having struck, having brought near)

(indeclinable)

absolutive

From √hṛ with prefix ā-

Prefix: ā

Root: hṛ (class 1)

संनिपेततुः (saṁnipetatuḥ) - they fell together, collided

(verb)

3rd person , dual, active, perfect (liṭ) of pat

Prefixes: sam+ni

Root: pat (class 1)

Note: Verb for 'tau' (arrows).

ओजसा (ojasā) - with immense force (with might, with force, with power)

(noun)

Instrumental, neuter, singular of ojas

ojas - might, power, force, vigor