Where does “ostro” come from?

ostro (English) comes from Italian ostro, from Latin auster, from Proto-Italic *austeros.

ostro (English): a southerly Mediterranean wind

Definitions

  1. a southerly Mediterranean wind

Ancestry of “ostro”, step by step

StepLanguageWordMeaning
1Italianostrosoutherly wind; "hence" the south; purple
2LatinausterThe south wind; south
3Proto-Italic*austeros—
Every word from Proto-Italic *austeros →
ostro — Etymology, Origin & Word History | Etymology Explorer