Where does “mayapple rust” come from?

mayapple rust (English) comes from English mayapple, from English May, from French mai, from Old French mai, from Latin Māius, from Latin Maia, from Ancient Greek μαῖα, from Ancient Greek μήτηρ — mother.

mayapple rust (English): Allodus podophylli, a species of parasitic rust fungus that leeches off of mayapple leaves

Definitions

  1. Allodus podophylli, a species of parasitic rust fungus that leeches off of mayapple leaves

Ancestry of “mayapple rust”, step by step

mayapple rust traces back through two separate lines of ancestry.

via English mayapple

StepLanguageWordMeaning
1EnglishmayappleA fruit-bearing flowering plant with poisonous roots, native to eastern North America, taxonomic name Podophyllum peltatum
2EnglishMayThe fifth month of the Gregorian calendar, following April and preceding June
3FrenchmaiMay
4Old Frenchmai
5LatinMāius“month”}} of May
6LatinMaianominative feminine singular of Maius; nominative...
7Ancient Greekμαῖαmidwife; foster mother, nurse; good mother, dame
8Ancient Greekμήτηρmother; source or origin
9Proto-Hellenicmā́tērmother
10Proto-Indo-Europeanméh₂tērmother

via English rust

StepLanguageWordMeaning
1EnglishrustThe deteriorated state of iron or steel as a...
2Middle Englishrustrust oxidisation of iron or steel
3Old Englishrūstrust
4Proto-Germanicrustazrust
5Proto-Indo-Europeanrudʰso-red
6Proto-Indo-Europeanh₁rewdʰ-red
Every word from Proto-Indo-European méh₂tēr