Where does “tussenletter” come from?

tussenletter (Dutch) comes from Dutch letter, from Middle Dutch lettere, from Old French letre, from Latin littera, from Latin lītera, from Old Latin leitera, from Proto-Indo-European h₂leyH-, from Proto-Indo-European leyh₂- — to die, disapear; to avoid, elude, decline,...

tussenletter (Dutch): intermediary letter, notably a genitive suffix...

Definitions

  1. intermediary letter, notably a genitive suffix...

Ancestry of “tussenletter”, step by step

tussenletter traces back through two separate lines of ancestry.

via Dutch letter

StepLanguageWordMeaning
1Dutchletterletter letter of the alphabet
2Middle Dutchlettereletter; literal meaning; Bible
3Old Frenchletreletter
4Latinlitteraa letter of the alphabet; handwriting; letter,...
5Latinlītera
6Old Latinleitera
7Proto-Indo-Europeanh₂leyH-to smear
8Proto-Indo-Europeanleyh₂-to die, disapear; to avoid, elude, decline,...

via Dutch tussen

StepLanguageWordMeaning
1Dutchtussenbetween; among, amidst
2Middle Dutchtwisschen
3Old Dutchintwiskan
4Proto-Germanictwiskaztwofold, double
5Proto-Indo-Europeandwístwice, doubly; in two
6Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European leyh₂-