Where does “Worthäufigkeit” come from?

Worthäufigkeit (German) comes from German Häufigkeit, from German häufig, from German -ig, from German -jährig, from German Jahr, from Middle High German jār, from Old High German jār, from Proto-West Germanic jār — year.

Worthäufigkeit (German): word frequency

Definitions

  1. word frequency

Ancestry of “Worthäufigkeit”, step by step

Worthäufigkeit traces back through two separate lines of ancestry.

via German Häufigkeit

StepLanguageWordMeaning
1GermanHäufigkeitfrequency
2Germanhäufigfrequent; common; frequently, often
3German-ig-y; forms adjectives from nouns; forms adjectives...
4German-jährigyears old; years lasting
5GermanJahryear
6Middle High Germanjāryear
7Old High Germanjāryear
8Proto-West Germanicjāryear
9Proto-Germanicjērąyear; name of the J-rune
10Proto-Indo-Europeanyeh₁r-year

via German wôrt

StepLanguageWordMeaning
1Germanwôrtplural word as an isolated unit
2Middle High Germanwortword; verb
3Old High Germanwortword; verb
4Proto-West Germanicwordword
5Proto-Germanicwurdąword
6Proto-Indo-Europeanwerdʰo-word
7Proto-Indo-Europeanwerh₁-to speak, say
Every word from Proto-Indo-European yeh₁r-Every word from German -igEvery word from Proto-Germanic jērą