-eo

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Italian[edit]

Etymology 1[edit]

From Latin -eus.

Pronunciation[edit]

Suffix[edit]

-eo m ‎(feminine -ea, masculine plural -ei, feminine plural -ee)

  1. Used to form adjectives referring to the qualities of the root noun; -en, -eous, -ean
Usage notes[edit]
  • Terms formed with this suffix are stressed on the antepenultimate (penultimate if the sequence eo is interpreted as vowel + glide).
  • The suffix is attached to the stem of a noun indicating a material or substance to express material composition:
Examples:
ferro ‎(iron) → ferreo ‎(made of iron)
argento ‎(silver) → argenteo ‎(made of silver)
acqua ‎(water) → acqueo ‎(made of water, watery)
  • When the root is a proper noun, the adjective indicates relation:
Examples:
Cesare ‎(Caesar) → cesareo ‎(Caesarean, of or pertaining to Julius Caesar)
Medicimediceo ‎(of or pertaining to the Medici family)
  • In some cases, adjectives descending from Latin exhibit fossilized characteristics which are otherwise lost in the root noun:
Examples:
corpo ‎(body) → corporeo ‎(bodily, corporeal) (cfr. Latin corpor-, oblique stem of corpus)
legno ‎(wood) → ligneo ‎(wooden, made from wood) (cfr. Latin lignum)
oro ‎(gold) → aureo ‎(golden, made of gold) (cfr. Latin aurum)
Ercole ‎(Hercules) → erculeo ‎(Herculean, pertaining to Hercules) (cfr. Latin Herculēs)

Etymology 2[edit]

From Latin -aeus, from Ancient Greek -αῖος ‎(-aîos).

Pronunciation[edit]

  • IPA(key): /ˈɛ.o/, [ˈɛːo], [ˈɛo̯]
  • Hyphenation: -è‧o

Suffix[edit]

-eo m ‎(feminine -ea, masculine plural -ei, feminine plural -ee)

  1. Used to form adjectives and nouns expressing relation to the root noun; -an, -ean
Usage notes[edit]
  • The suffix is attached to place names to derive adjectives expressing a relationship of origin or relation, and to create ethnonyms:
Examples:
Etnaetneo ‎(of or pertaining to mount Etna; person from or inhabitant of the Etna region)
Ragusa ‎(city in Croatia) → raguseo ‎(of or pertaining to the city of Ragusa; person from or inhabitant of Ragusa)
  • If the root is a proper noun, the adjective indicates correlation:
Euclide ‎(Euclid) → euclideo ‎(Euclidean, pertaining to Euclid)
Augusto ‎(Augustus) → augusteo ‎(Augustan, pertaining to emperor Augustus or his time)
  • It can also form adjectives related to body parts:
carotide ‎(carotid) → carotideo ‎(pertaining to a carotid)
faringe ‎(pharynx) → faringeo ‎(pharyngeal, pertaining to the pharynx)

Derived terms[edit]



Latin[edit]

Pronunciation[edit]

Etymology 1[edit]

From Proto-Italic *-ēō, from verbs with Proto-Indo-European *-éh₁yeti ‎(stative suffix).

Suffix[edit]

-eō

  1. Forms stative verbs from adjectives.
Inflection[edit]
   Conjugation of -eo (second conjugation, defective)
indicative singular plural
first second third first second third
active present -eō -ēs -et -ēmus -ētis -ent
imperfect -ēbam -ēbās -ēbat -ēbāmus -ēbātis -ēbant
future -ēbō -ēbis -ēbit -ēbimus -ēbitis -ēbunt
passive present -eor -ēris, -ēre -ētur -ēmur -ēminī -entur
imperfect -ēbar -ēbāris, -ēbāre -ēbātur -ēbāmur -ēbāminī -ēbantur
future -ēbor -ēberis, -ēbere -ēbitur -ēbimur -ēbiminī -ēbuntur
subjunctive singular plural
first second third first second third
active present -eam -eās -eat -eāmus -eātis -eant
imperfect -ērem -ērēs -ēret -ērēmus -ērētis -ērent
passive present -ear -eāris, -eāre -eātur -eāmur -eāminī -eantur
imperfect -ērer -ērēris, -ērēre -ērētur -ērēmur -ērēminī -ērentur
imperative singular plural
first second third first second third
active present -ēte
future -ētō -ētō -ētōte -entō
passive present -ēre -ēminī
future -ētor -ētor -entor
non-finite forms active passive
present perfect future present perfect future
infinitives -ēre -ērī
participles -ēns -endus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
-ēre -endī -endō -endum
Derived terms[edit]


Etymology 2[edit]

From Proto-Italic *-eō, from causative / frequentative verbs with Proto-Indo-European *-éyeti ‎(causative suffix).

Suffix[edit]

-eō

  1. (no longer productive) Forms causative verbs from primary (third conjugation and some fourth conjugation) verbs.
Inflection[edit]
   Conjugation of -eo (second conjugation, defective)
indicative singular plural
first second third first second third
active present -eō -ēs -et -ēmus -ētis -ent
imperfect -ēbam -ēbās -ēbat -ēbāmus -ēbātis -ēbant
future -ēbō -ēbis -ēbit -ēbimus -ēbitis -ēbunt
passive present -eor -ēris, -ēre -ētur -ēmur -ēminī -entur
imperfect -ēbar -ēbāris, -ēbāre -ēbātur -ēbāmur -ēbāminī -ēbantur
future -ēbor -ēberis, -ēbere -ēbitur -ēbimur -ēbiminī -ēbuntur
subjunctive singular plural
first second third first second third
active present -eam -eās -eat -eāmus -eātis -eant
imperfect -ērem -ērēs -ēret -ērēmus -ērētis -ērent
passive present -ear -eāris, -eāre -eātur -eāmur -eāminī -eantur
imperfect -ērer -ērēris, -ērēre -ērētur -ērēmur -ērēminī -ērentur
imperative singular plural
first second third first second third
active present -ēte
future -ētō -ētō -ētōte -entō
passive present -ēre -ēminī
future -ētor -ētor -entor
non-finite forms active passive
present perfect future present perfect future
infinitives -ēre -ērī
participles -ēns -endus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
-ēre -endī -endō -endum

Etymology 3[edit]

Non-lemma forms.

Suffix[edit]

-eō

  1. dative masculine singular of -eus
  2. dative neuter singular of -eus
  3. ablative masculine singular of -eus
  4. ablative neuter singular of -eus

References[edit]

  • Sihler, Andrew L. (1995) New Comparative Grammar of Greek and Latin, Oxford, New York: Oxford University Press

Spanish[edit]

Etymology 1[edit]

From Latin -eus.

Suffix[edit]

-eo m ‎(feminine -ea, masculine plural -eos, feminine plural -eas)

  1. -eous; Used to form adjectives meaning resembling or having characteristics of the related term.
Related terms[edit]

Etymology 2[edit]

Suffix[edit]

-eo m ‎(plural -eos)

  1. Used to create nouns from verbs suffixed with -ear.