'Thrust' is Old Norse for 'to press' — from PIE *trewd- (to push). A Viking fighting word turned rocket science.
To push suddenly or violently in a specified direction.
From Middle English 'thrusten,' from Old Norse 'þrysta' (to thrust, to press, to force), from Proto-Germanic '*þrustijaną' (to press, to compress), from PIE *trewd- (to push, to press, to squeeze). The word replaced the native Old English 'þȳwan' (to push, to press). Cognate with Old Swedish 'þrysta' (to press), Norwegian 'truste.' The word entered rocket
Shakespeare coined the compound 'thrust and parry' for sword fighting, and it became the fundamental vocabulary of fencing. In the 20th century, 'thrust' was adopted by aerospace engineers as the precise term for the force produced by a jet engine or rocket — measured in newtons or pounds-force. The same Old Norse