Where does “neckplate” come from?

neckplate (English) comes from English plate, from Old French plate, from Medieval Latin plata, from Vulgar Latin plattus, from Ancient Greek πλατύς, from Proto-Indo-European pléth₂us, from Proto-Indo-European pleth₂- — flat.

neckplate (English): A piece of armour for the throat; a gorget

Definitions

  1. A piece of armour for the throat; a gorget

Ancestry of “neckplate”, step by step

neckplate traces back through two separate lines of ancestry.

via English plate

StepLanguageWordMeaning
1EnglishplateA slightly curved but almost flat dish from which...
2Old Frenchplatea flat metal disk; a flat plate of armor
3Medieval Latinplatasilver
4Vulgar Latinplattusflattened; flat; smooth
5Ancient Greekπλατύςwide, broad; flat, level; broad-shouldered
6Proto-Indo-Europeanpléth₂usflat, broad
7Proto-Indo-Europeanpleth₂-flat

via English neck

StepLanguageWordMeaning
1EnglishneckThe part of the body connecting the head and the...
2Middle Englishnekkeneck
3Old Englishhneccaback of the neck; back of the head; neck
4Proto-West Germanic*hnakkōnape
5Proto-Germanichnakkôthe back of the neck; nape
6Proto-Indo-Europeanknog-back of the head, nape, neck
7Proto-Indo-Europeanken-to arise, begin
Every word from Proto-Indo-European pleth₂-Every word from Proto-Indo-European pléth₂usEvery word from Ancient Greek πλατύς