योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-159, verse-2

यज्ञं यष्टुं प्रजौघस्य शक्रः शततमं दिवि ।
तत्राहूतोऽस्मि मन्त्रेण गच्छामि गतिकोविद ॥ २ ॥

yajñaṃ yaṣṭuṃ prajaughasya śakraḥ śatatamaṃ divi ,
tatrāhūto'smi mantreṇa gacchāmi gatikovida 2

2. yajñaṃ yaṣṭuṃ prajā-oghasya śakraḥ śatatamaṃ divi
tatra āhūtaḥ asmi mantreṇa gacchāmi gati-kovida

2. gati-kovida śakraḥ prajā-oghasya śatatamaṃ yajñaṃ
yaṣṭuṃ divi tatra mantreṇa āhūtaḥ asmi gacchāmi

2. O expert in movement, Indra is in heaven to perform the hundredth ritual (yajña) for the multitudes of beings. I have been invited there by a sacred utterance (mantra), so I am going.

Words meanings summery:

• यज्ञं (yajñaṁ) - offering, sacrifice, ritual

• यष्टुं (yaṣṭuṁ) - to sacrifice, to worship, to perform a ritual

• प्रजा-ओघस्य (prajā-oghasya) - of the multitude of beings, of the host of people

• शक्रः (śakraḥ) - Indra

• शततमं (śatatamaṁ) - hundredth

• दिवि (divi) - in heaven, in the sky

• तत्र (tatra) - there, in that place

• आहूतः (āhūtaḥ) - invited, called

• अस्मि (asmi) - I am

• मन्त्रेण (mantreṇa) - by a sacred utterance, by an incantation

• गच्छामि (gacchāmi) - I go, I am going, I will go

• गति-कोविद (gati-kovida) - O expert in movement, O knower of paths

Words meanings and morphology

यज्ञं (yajñaṁ) - offering, sacrifice, ritual

(noun)

Accusative, masculine, singular of yajña

yajña - sacrifice, ritual, worship, an offering

यष्टुं (yaṣṭuṁ) - to sacrifice, to worship, to perform a ritual

(indeclinable)

Infinitive

From root √yaj + -tum suffix

Root: yaj (class 1)

प्रजा-ओघस्य (prajā-oghasya) - of the multitude of beings, of the host of people

(noun)

Genitive, masculine, singular of prajā-ogha

prajā-ogha - multitude of beings, host of people

Compound type : tatpuruṣa (prajā+ogha)

• prajā – offspring, progeny, people, creatures
  noun (feminine)
• ogha – flood, stream, multitude, host
  noun (masculine)

शक्रः (śakraḥ) - Indra

(proper noun)

Nominative, masculine, singular of śakra

śakra - powerful, mighty; a name of Indra

शततमं (śatatamaṁ) - hundredth

(adjective)

Accusative, masculine, singular of śatatama

śatatama - hundredth

दिवि (divi) - in heaven, in the sky

(noun)

Locative, feminine, singular of div

div - sky, heaven, day

तत्र (tatra) - there, in that place

(indeclinable)

आहूतः (āhūtaḥ) - invited, called

(adjective)

Nominative, masculine, singular of āhūta

āhūta - invited, called, summoned

Past Passive Participle

From root √hvā (to call) with prefix ā-

Prefix: ā

Root: hvā (class 1)

अस्मि (asmi) - I am

(verb)

1st person , singular, active, present indicative (laṭ) of as

Root: as (class 2)

मन्त्रेण (mantreṇa) - by a sacred utterance, by an incantation

(noun)

Instrumental, masculine, singular of mantra

mantra - sacred utterance, hymn, spell, incantation, counsel

गच्छामि (gacchāmi) - I go, I am going, I will go

(verb)

1st person , singular, active, present indicative (laṭ) of gam

Root: gam (class 1)

गति-कोविद (gati-kovida) - O expert in movement, O knower of paths

(noun)

Vocative, masculine, singular of gati-kovida

gati-kovida - expert in movement, knower of paths (vocative)

Compound type : tatpuruṣa (gati+kovida)

• gati – going, movement, course, path, state
  noun (feminine)
• kovida – knowing, skilled, expert
  adjective (masculine)