योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-114, verse-22

जलेचरावरा नूनं सागरार्णवसंगमे ।
अन्योन्यवेल्लनाद्युद्धं न कदाचन शाम्यति ॥ २२ ॥

jalecarāvarā nūnaṃ sāgarārṇavasaṃgame ,
anyonyavellanādyuddhaṃ na kadācana śāmyati 22

22. jale-cara-avarāḥ nūnam sāgara-arṇava-saṅgame
anyonya-vellana-āt yuddham na kadācana śāmyati

22. nūnam jale-cara-avarāḥ sāgara-arṇava-saṅgame
anyonya-vellana-āt yuddham na kadācana śāmyati

22. Indeed, at the confluence of oceans, the lesser aquatic creatures (jale-cara-avara) engage in a battle that never ceases, a conflict arising from their mutual tossing and churning.

Words meanings summery:

• जले-चर-अवराः (jale-cara-avarāḥ) - inferior aquatic creatures, lowest among aquatic creatures

• नूनम् (nūnam) - certainly, indeed, surely

• सागर-अर्णव-सङ्गमे (sāgara-arṇava-saṅgame) - at the confluence of oceans/seas

• अन्योन्य-वेल्लन-आत् (anyonya-vellana-āt) - from mutual tossing/churning/surging

• युद्धम् (yuddham) - battle, fight, conflict

• न (na) - not, no

• कदाचन (kadācana) - ever, at any time (with 'na', never)

• शाम्यति (śāmyati) - ceases, subsides, becomes quiet

Words meanings and morphology

जले-चर-अवराः (jale-cara-avarāḥ) - inferior aquatic creatures, lowest among aquatic creatures

(noun)

Nominative, masculine, plural of jale-cara-avara

jale-cara-avara - inferior or lesser aquatic creatures

Compound type : Tatpurusha (locative) then Karmadharaya (jala+cara+avara)

• jala – water
  noun (neuter)
• cara – moving, going; an animal, creature (that moves)
  adjective (masculine)
  Agent Noun
  Derived from root car with suffix -a.
  Root: car (class 1)
• avara – lower, inferior, least, lowest
  adjective (masculine)

नूनम् (nūnam) - certainly, indeed, surely

(indeclinable)

सागर-अर्णव-सङ्गमे (sāgara-arṇava-saṅgame) - at the confluence of oceans/seas

(noun)

Locative, masculine, singular of sāgara-arṇava-saṅgama

sāgara-arṇava-saṅgama - confluence of oceans/seas

Compound type : Dvandva (sāgara-arṇava) then Tatpurusha (X-saṅgama) (sāgara+arṇava+saṅgama)

• sāgara – ocean, sea
  noun (masculine)
• arṇava – ocean, sea
  noun (masculine)
• saṅgama – meeting, confluence, junction, coming together
  noun (masculine)
  Prefix: sam
  Root: gam (class 1)

अन्योन्य-वेल्लन-आत् (anyonya-vellana-āt) - from mutual tossing/churning/surging

(noun)

Ablative, neuter, singular of anyonya-vellana

anyonya-vellana - mutual tossing/churning/surging

Compound type : Tatpurusha (anyonya+vellana)

• anyonya – mutual, reciprocal, one another
  pronoun/adjective
• vellana – tossing, shaking, surging, churning
  noun (neuter)
  Action Noun
  Derived from root vel.
  Root: vel (class 1)

युद्धम् (yuddham) - battle, fight, conflict

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, fight, war, conflict

Past Passive Participle

Derived from root yudh.

Root: yudh (class 4)

न (na) - not, no

(indeclinable)

कदाचन (kadācana) - ever, at any time (with 'na', never)

(indeclinable)

शाम्यति (śāmyati) - ceases, subsides, becomes quiet

(verb)

3rd person , singular, active, present indicative (lat) of śam

4th class verb, Present Indicative.

Root: śam (class 4)