Where does “dreskelef” come from?

dreskelef (Middle Low German) comes from Old Saxon *thriskūvli, from Proto-Germanic þreskwaþluz, from Proto-Germanic þreskaną, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.

Ancestry of “dreskelef”, step by step

StepLanguageWordMeaning
1Old Saxon*thriskūvli
2Proto-Germanicþreskwaþluzthreshold
3Proto-Germanicþreskanąto thresh
4Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce
Every word from Proto-Indo-European terh₁-Every word from Proto-Germanic þreskanąEvery word from Proto-Germanic þreskwaþluz