Where does “diesseits” come from?

diesseits (German) comes from German Seite, from German -ig, from German -jährig, from German Jahr, from Middle High German jār, from Old High German jār, from Proto-West Germanic jār, from Proto-Germanic jērą — year.

diesseits (German): this side of

Definitions

  1. this side of

Ancestry of “diesseits”, step by step

diesseits traces back through two separate lines of ancestry.

via German Seite

StepLanguageWordMeaning
1GermanSeiteside; face, side, surface of any...
2German-ig-y; forms adjectives from nouns; forms adjectives...
3German-jährigyears old; years lasting
4GermanJahryear
5Middle High Germanjāryear
6Old High Germanjāryear
7Proto-West Germanicjāryear
8Proto-Germanicjērąyear; name of the J-rune
9Proto-Indo-Europeanyeh₁r-year

via German dieser

StepLanguageWordMeaning
1Germandieserthis one, this; that one, that
2Middle High Germandiserthis
3Old High Germandesethis
4Proto-West Germanic*þes
5Proto-Germanicþatnominative/accusative singular neuter of *sa
6Proto-Indo-Europeantóddemonstrative pronoun; that; it
7Proto-Indo-Europeanto-it; that; the, that
8Proto-Indo-Europeanthis; that
Every word from Proto-Indo-European yeh₁r-