Where does “rustfully” come from?

rustfully (English) comes from English rustful, from English rust, from Middle English rust, from Old English rūst, from Proto-Germanic rustaz, from Proto-Indo-European rudʰso-, from Proto-Indo-European h₁rewdʰ- — red.

rustfully (English): In a rustful manner

Definitions

  1. In a rustful manner

Ancestry of “rustfully”, step by step

rustfully traces back through two separate lines of ancestry.

via English rustful

StepLanguageWordMeaning
1EnglishrustfulFull of rust; resembling or causing rust; rusty;...
2EnglishrustThe deteriorated state of iron or steel as a...
3Middle Englishrustrust oxidisation of iron or steel
4Old Englishrūstrust
5Proto-Germanicrustazrust
6Proto-Indo-Europeanrudʰso-red
7Proto-Indo-Europeanh₁rewdʰ-red

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European h₁rewdʰ-