From Proto-Italic *rāros, probably from Proto-Indo-European *h₁r̥h₁rós, from *h₁reh₁- (“to separate”) (though Schrijver and De Vaan are skeptical). Cognate with Ancient Greek ἐρῆμος (erêmos, “lonely”).
Pratique falar e memorizar " rarus " e muitas outras palavras e frases em latim .