Where does “blindfoldly” come from?

blindfoldly (English) comes from English blindfold, from Middle English blyndefolde, from Middle English blindfellen, from Middle English fellen, from Old English fellan, from Proto-West Germanic *fallijan, from Proto-Germanic fallijaną, from Proto-Germanic fallaną — to split off, separate; to chop, to separate.

Ancestry of “blindfoldly”, step by step

blindfoldly traces back through two separate lines of ancestry.

via English blindfold

StepLanguageWordMeaning
1EnglishblindfoldA covering, usually a bandage, for the eyes,...
2Middle Englishblyndefolde
3Middle Englishblindfellento strike blind
4Middle Englishfellento fell
5Old EnglishfellanAlternative form of fiellan
6Proto-West Germanic*fallijanto cause to fall, to fell
7Proto-Germanicfallijanąto cause to fall, to fell
8Proto-Germanicfallanąto fall
9Proto-Indo-Europeanpōl-
10Slovincianpólhalf
11Proto-Slavicpolъside, flank; half; member of a pair of options →...
12Proto-Indo-European(s)pelH-to split off, separate; to chop, to separate

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European (s)pelH-