Berit:"Arachnid" is an animal in the spider family, including spiders, of course, but also mites, daddy-longlegs (which are not spiders), ticks and scorpians. The family got its name from a woman in Greek mythology named Arachne, who was a skilled weaver who dared to challenge the goddess Athena to a weaving contest. When it was overAthena acknowledged the mortal's skill, but the tapestry Arachne created mocked the Olympian gods, and in punishment for that, Athena turned her into a spider...
"Moniker" is a fancy word for name...
And I think that one of those "we"'s is a typo...