Where does “Oeiras” come from?

Oeiras (Portuguese) comes from Latin auraria, from Latin aurarius, from Latin aurum, from Latin ausum, from Latin ausus, from Latin audeō, from Latin avidus, from Latin -idus.

Ancestry of “Oeiras”, step by step

StepLanguageWordMeaning
1LatinaurariaA gold mine; A female worker in gold, female...
2LatinaurariusOf, pertaining to or used for gold; A worker in...
3Latinaurumgold; any object made of gold, such as a gold...
4Latinausumnominative neuter singular of ausus; accusative...
5Latinaususdared, having dared, ventured, having ventured,...
6Latinaudeōto dare, venture, risk
7LatinavidusGreedy, avaricious, covetous; Eager,...
8Latin-idustending to
9Proto-Italic*-iðos—
Every word from Proto-Italic *-iðos →Every word from Latin -idus →Every word from Latin avidus →