See also: eus and EU-s

Dutch

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Etymology

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From French -eux, from Latin -ōsus.

Pronunciation

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  • IPA(key): /øːs/
  • Audio:(file)

Suffix

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-eus

  1. suffix used to form adjectives
    ambitieambitieus

Derived terms

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Latin

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Etymology 1

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From Proto-Italic *-eos, from Proto-Indo-European *-e- +‎ *-yós. Compare with its adoption through Ancient Greek (Etymology 2).

Pronunciation

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Suffix

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-eus (feminine -ea, neuter -eum); first/second-declension suffix

  1. (with materials) Used to form adjectives from nouns, and so to nominally indicate the source of an attribute.
    argentum (silver) + ‎-eus → ‎argenteus (made of silver)
    ferrum (iron) + ‎-eus → ‎ferreus (made of iron)
    marmor (marble) + ‎-eus → ‎marmoreus (made of marble)
    pīnus (pine tree) + ‎-eus → ‎pīneus (made of pine)
Declension
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First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative -eus -ea -eum -eī -eae -ea
Genitive -eī -eae -eī -eōrum -eārum -eōrum
Dative -eō -eō -eīs
Accusative -eum -eam -eum -eōs -eās -ea
Ablative -eō -eā -eō -eīs
Vocative -ee -ea -eum -eī -eae -ea
Derived terms
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Descendants
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  • English: -eous
  • Italian: -eo
  • Spanish: -eo

Etymology 2

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Pronunciation

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Suffix

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-ēus (feminine -ēa, neuter -ēum); first/second-declension suffix

  1. In adopted Greek words, surviving thus or as -īvus.
    mūsēum (μουσεῖον (mouseîon), cf. mūsīvum from the same source)
Declension
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First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative -ēus -ēa -ēum -ēī -ēae -ēa
Genitive -ēī -ēae -ēī -ēōrum -ēārum -ēōrum
Dative -ēō -ēō -ēīs
Accusative -ēum -ēam -ēum -ēōs -ēās -ēa
Ablative -ēō -ēā -ēō -ēīs
Vocative -ēe -ēa -ēum -ēī -ēae -ēa

References

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Old French

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Suffix

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-eus

  1. Alternative form of -us