←
Old English ǣġ (cognate)
←
Ancient Greek ᾱ̓ετός (mention)
←
Ancient Greek οἰωνός (mention)
←
Proto-Hellenic *ōyyón (inherited)
←
Proto-Indo-European *h₂ōwyóm (inherited)
←
Proto-Indo-European *h₂éwis (mention)
→
Spanish oídio (mention)
→
Old High German ei (cognate)
→
Ancient Greek ᾠώδης (affix)
→
Ancient Greek οἰωνός (mention)
→
Ancient Greek ᾠάριον (affix)
→
Italian oidio (derived)
→
Italian oecio (derived)