Where does “Jahrhundertflut” come from?

Jahrhundertflut (German) comes from German Jahrhundert, from German Hundert, from Middle High German hundert, from Old Saxon hunderod, from Proto-West Germanic *hundarad, from Proto-Germanic hundaradą, from Proto-Germanic hundą, from Proto-Indo-European ḱm̥tóm — ten.

Jahrhundertflut (German): once-in-a-century, extreme flooding

Definitions

  1. once-in-a-century, extreme flooding

Ancestry of “Jahrhundertflut”, step by step

Jahrhundertflut traces back through two separate lines of ancestry.

via German Jahrhundert

StepLanguageWordMeaning
1GermanJahrhundertA century
2GermanHundertthe number 100; A unity of hundred things
3Middle High Germanhundert
4Old Saxonhunderodhundred
5Proto-West Germanic*hundaradhundred
6Proto-Germanichundaradąa great hundred; a hundred
7Proto-Germanichundąa great hundred; a hundred
8Proto-Indo-Europeanḱm̥tómhundred
9Proto-Indo-Europeandéḱm̥ten

via German Flut

StepLanguageWordMeaning
1GermanFlutflow; flood; high tide; flood; great masses of...
2Middle High Germanvluot
3Old High Germanfluotflood
4Proto-West Germanicflōduriver; flood
5Proto-Germanicflōduzriver; flood
6Proto-Indo-Europeanplōw-to flow, swim; to pour, wash
7Proto-Indo-Europeanplew-to fly, flow, run
Every word from Proto-Indo-European déḱm̥Every word from Proto-Indo-European ḱm̥tómEvery word from Proto-Germanic hundą