Where does “-llon” come from?

-llon (Welsh) comes from Welsh llawn, from Proto-Brythonic llọn, from Proto-Celtic ɸlānos, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.

-llon (Welsh): adjectival suffix, often indicating a characteristic or fulness -ful

Definitions

  1. adjectival suffix, often indicating a characteristic or fulness -ful

Ancestry of “-llon”, step by step

StepLanguageWordMeaning
1Welshllawnfull; abounding; fully
2Proto-Brythonicllọnfull
3Proto-Celticɸlānosfull
4Proto-Indo-Europeanpl̥h₁nósfull
5Proto-Indo-Europeanpleh₁-to fill

Words derived from “-llon

Every word from Proto-Indo-European pleh₁-