-ón

(Inglés)

1. (emphatic, masculine, morpheme) emphasizes that something is large, grand, intense, important
2. (emphatic, masculine, morpheme) indicates that someone or something has large attributes, or larger than usual
3. (masculine, morpheme) for few cases, indicates that something is used wrong or frequently (forming adjectives and or nouns)
4. (masculine, morpheme) emphasizes contempt for subject
5. (masculine, morpheme) forms a noun from a different (usually larger) but related or similar one
6. (masculine, morpheme) suffixed to verbs, doing something repeatedly or often
7. (diminutive, masculine, morpheme, rare) for very few cases, indicates small size of or a lack of something (such as an ironic augmentative)

Pronúnciase como (IPA)

/ˈon/

Etimoloxía (Inglés)

Herdado de latín: -

Relativo a portugués: -ão

Relativo a italiano: -one

Relativo a francés: -on

Relativo a inglés: -oon

Relativo a romanés: -oi

Tomado de inglés: -on

Relativo a latín: -um

In summary

Probably from the ending of Latin words belonging to the Third Declension (-ō, -ōnem), used sometimes to change the sense or usage of original term. In this case, Spanish -ón would be cognate to Portuguese -ão, Italian -one, French -on (whence English -oon), and Romanian -oi.