pestiduct/ˈpɛstidʌkt/EtymologyFrom Latin pestis (“pest”) + ductus (“a leading”), from ducere (“to lead”).nounThat which conveys contagion or infection.“It [sickness] is an excuſe to them that are great, and pretend, & yet are loth to come; it is an inhibition to thoſe vvho vvould truly come, becauſe they may be made inſtruments, and peſtiducts, to the infectiõ [infection] of others, by their cõming.”