Where does “fill-dike” come from?

fill-dike (English) comes from English Dikê, from English diagonal cutters, from English diagonal, from Middle French diagonal, from Latin diagōnālis, from Ancient Greek διαγώνιος, from Ancient Greek δῐᾰ-, from Ancient Greek διά — two.

Ancestry of “fill-dike”, step by step

fill-dike traces back through two separate lines of ancestry.

via English Dikê

StepLanguageWordMeaning
1EnglishDikêThe goddess personifying the principle of justice
2Englishdiagonal cuttersA cutting tool consisting of a pair of pliers with the working face being a pair of tapered, diagonal edges
3EnglishdiagonalJoining two nonadjacent vertices; Having slanted...
4Middle Frenchdiagonal
5Latindiagōnālisdiagonal
6Ancient Greekδιαγώνιοςfrom angle to angle
7Ancient Greekδῐᾰ-apart; through, across; through; in different...
8Ancient Greekδιάthroughout
9Proto-Indo-Europeandwístwice, doubly; in two
10Proto-Indo-Europeandwóh₁two

via English Fill

StepLanguageWordMeaning
1EnglishFillTo make full
2Middle Englishfillento fill
3Old Englishfyllanto fill; Alternative form of fiellan
4Proto-West Germanic*fullijanto fill
5Proto-Germanicfullijanąto fill, to make full
6Proto-Germanicfullazfull; the whole, the entire
7Proto-Indo-Europeanpl̥h₁nósfull
8Proto-Indo-Europeanpleh₁-to fill
Every word from Proto-Indo-European dwóh₁
fill-dike — Etymology, Origin & Word History | Etymology Explorer