Where does “plastrão” come from?

plastrão (Portuguese) comes from French plastron, from Italian piastrone, from Italian -one, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

plastrão (Portuguese): plastron

Definitions

  1. plastron

Ancestry of “plastrão”, step by step

StepLanguageWordMeaning
1Frenchplastronbreastplate; plastron; chest pad; chest...
2Italianpiastroneplastron; slab
3Italian-oneAlterative suffix used to form augmentatives;...
4Latinsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
5Proto-Indo-EuropeanDerives nouns from roots
Every word from Proto-Indo-European Every word from Latin Every word from Italian -one