gastraphetes
gastraphetes is a tension artillery or crossbow.
Overview
Ancient Greek crossbow.
In detail
It is associated with Ancient Greece.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Gastraphetes”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1350168: gastraphetes
Consult the source