Where does “megathrust” come from?

megathrust (English) comes from English thrust, from Middle English þristen, from Old Norse þrysta, from Proto-Germanic þrustijaną, from Proto-Indo-European trewd- — to push, to thrust.

megathrust (English): A sudden slip along a fault between a subducting...

Definitions

  1. A sudden slip along a fault between a subducting...

Ancestry of “megathrust”, step by step

StepLanguageWordMeaning
1EnglishthrustAn attack made by moving the sword parallel to...
2Middle Englishþristento thrust
3Old Norseþrysta
4Proto-Germanicþrustijanąto thrust
5Proto-Indo-Europeantrewd-to push, to thrust
Every word from Proto-Indo-European trewd-Every word from Proto-Germanic þrustijanąEvery word from Old Norse þrysta