Where does “Lückenfüller” come from?

Lückenfüller (German) comes from German Füller, from German Füllen, from Middle High German vülīn, from Old High German fulīn, from Proto-Germanic fulīną, from Proto-Germanic fulô, from Proto-Indo-European "pl̥Hon-", from Proto-Indo-European pōlH- — animal young.

Lückenfüller (German): stopgap

Definitions

  1. stopgap

Ancestry of “Lückenfüller”, step by step

Lückenfüller traces back through two separate lines of ancestry.

via German Füller

StepLanguageWordMeaning
1GermanFüllerfountain pen; filler
2GermanFüllenAlternative form of Fohlen
3Middle High Germanvülīn—
4Old High Germanfulīn—
5Proto-Germanicfulīną—
6Proto-Germanicfulôfoal
7Proto-Indo-European"pl̥Hon-"—
8Proto-Indo-EuropeanpōlH-animal young

via German Lücke

StepLanguageWordMeaning
1GermanLückegap, lacuna
2Middle High Germanlücke—
3Old High Germanluccha—
Every word from Proto-Indo-European pōlH- →Every word from Proto-Indo-European "pl̥Hon-" →Every word from Proto-Germanic fulô →