View source for -eo

{{also|Appendix:Variations of "eo"}}
==Italian==

===Etymology 1===
{{bor+|it|la|-eus}}.

====Pronunciation====
{{it-pr|-ėo<post:{{q|stress falls on the preceding syllable}}>}}

====Suffix====
{{it-adj}}

# {{n-g|used to form adjectives referring to the qualities of the root noun}}; [[-en]], [[-eous]], [[-ean]]
## {{n-g|used to form adjectives from materials or substances, indicating material composition:}}
##: {{afex|it|ferro<t:iron>|ferreo<t:made of iron>}}
##: {{afex|it|argento<t:silver>|argenteo<t:made of silver>}}
##: {{afex|it|acqua<t:water>|acqueo<t:made of water, watery>}}
## {{n-g|used to form {{glossary|relational}} adjectives from proper nouns:}}
##: {{afex|it|Cesare<t:Caesar>|cesareo<t:Caesarean, of or pertaining to Julius Caesar>}}
##: {{afex|it|{{w|House of Medici|Medici}}|mediceo<t:of or pertaining to the Medici family>}}

=====Usage notes=====
* Some adjectives in {{m|it|-eo}} are borrowed directly from Latin and exhibit {{l|en|fossilized}} characteristics which are otherwise lost in the root noun:
** {{m|it|corpo||body}} → {{m|it|corporeo||bodily, corporeal}} (cfr. Latin ''corpor-'', oblique stem of {{m|la|corpus}})
** {{m|it|legno||wood}} → {{m|it|ligneo||wooden, made from wood}} (cfr. Latin {{m|la|lignum}})
** {{m|it|oro||gold}} → {{m|it|aureo||golden, made of gold}} (cfr. Latin {{m|la|aurum}})
** {{m|it|Ercole||Hercules}} → {{m|it|erculeo||Herculean, pertaining to Hercules}} (cfr. Latin {{m|la|Herculēs}})

===Etymology 2===
{{bor+|it|la|-aeus}}, from {{uder|it|grc|-αῖος}}.

====Pronunciation====
{{it-pr|-èo}}

====Suffix====
{{it-adj}} {{it-noun|m|f=+}}

# {{n-g|used to form adjectives and nouns expressing relation to the root noun}}; [[-an]], [[-ean]]
## {{n-g|forming [[ethnonym]]s from place names:}}
##: {{afex|it|Etna|etneo<t:of or pertaining to mount Etna; person from or inhabitant of the Etna region>}}
##: {{afex|it|Ragusa<pos:city in Croatia>|raguseo<t:of or pertaining to the city of Ragusa; person from or inhabitant of Ragusa>}}
## {{n-g|forming {{glossary|relational}} adjectives from proper nouns:}}
##: {{afex|it|Euclide<t:Euclid>|euclideo<t:Euclidean, pertaining to Euclid>}}
##: {{afex|it|Augusto<t:Augustus>|augusteo<t:Augustan, pertaining to emperor Augustus or his time>}}
## {{n-g|forming {{glossary|relational}} adjectives from body parts:}}
##: {{afex|it|carotide<t:carotid>|carotideo<t:pertaining to a carotid>}}
##: {{afex|it|faringe<t:pharynx>|faringeo<t:pharyngeal, pertaining to the pharynx>}}

===Derived terms===
{{suffixsee|it}}

==Latin==

===Pronunciation===
* {{la-IPA|-eō}} {{qualifier|stressed on the antepenult}}

===Etymology 1===
{{etymon|la|inh|itc-pro>*-ēō>verb|id=verb|pos=suffix}}
From {{inh|la|itc-pro|*-ēō}}, from earlier ''*-ējō'', from verbs with {{inh|la|ine-pro|*-éh₁yeti|pos=stative suffix}} in which the first person singular always ended in ''*-éh₁yoh₂''.

====Suffix====
{{la-suffix-verb|2|-eō}}

# {{senseid|la|stative}}{{non-gloss|Forms [[stative]] verbs from adjectives.}}
#: {{sufex|la|clārus|t1=clear|clār'''eō'''|t2=to '''be''' clear}}
#: {{sufex|la|frīgus|t1=cold|frīg'''eō'''|t2=to '''be''' cold}}

=====Conjugation=====
{{la-conj|2+.suffix|-eō}}

=====Derived terms=====
* {{l|la|-ēscō}}
{{suffixsee|la}}

===Etymology 2===
From {{inh|la|itc-pro|*-eō}}, from causative/frequentative verbs with {{inh|la|ine-pro|*-éyeti|pos=causative suffix}} in which the first person singular ended in ''*-éyoh₂''.

====Suffix====
{{la-suffix-verb|2|-eō}}

# {{senseid|la|causative}}{{lb|la|no longer productive}} {{non-gloss|Forms [[causative]] verbs from primary (third conjugation and some fourth conjugation) verbs.}}

=====Conjugation=====
{{la-conj|2+.suffix|-eō}}

===Etymology 3===
{{nonlemma}}

====Suffix====
{{head|la|suffix form|head=-eō}}

# {{inflection of|la|-eus||dat//abl|m//n|s}}

===References===
* {{R:Sihler 1995}}

==Spanish==

===Etymology 1===
From {{der|es|la|-eus}}.

====Suffix====
{{es-adj}}

# [[-eous]]; {{non-gloss|forms adjectives meaning resembling or having characteristics of the related term}}

=====Related terms=====
{{col-auto|es|-áceo|-áneo|-io}}

===Etymology 2===

====Suffix====
{{es-noun|m}}

# {{non-gloss|forms nouns from verbs suffixed with {{m|es|-ear}}, means 'action and effect'}}

=====Derived terms=====
{{suffixsee|es}}

===Further reading===
* {{R:es:DRAE}}