Where does “erthling” come from?

erthling (Middle English) comes from Old English ierþling, from Old English -ling, from Old English lang, from Proto-West Germanic lang, from Proto-Germanic langaz, from Proto-Indo-European dlongʰos — long.

Ancestry of “erthling”, step by step

StepLanguageWordMeaning
1Old Englishierþlingfarmer, husbandman, ploughman
2Old English-lingadverbial suffix denoting direction, state or...
3Old Englishlanglong; lasting; old, ancient; advanced
4Proto-West Germaniclanglong
5Proto-Germaniclangazlong
6Proto-Indo-Europeandlongʰoslong

Words derived from “erthling”

Every word from Proto-Indo-European dlongʰos →Every word from Proto-Germanic langaz →Every word from Proto-West Germanic lang →