pachyderm
Word family adjectivepachycarpouspachydactylpachydermalpachydermatouspachydermicpachydermousnounpachydermPachydermatapachydermiapachymeterpachysandra
pach·y·derm /ˈpækɪdɜːm $ -dɜːrm/ noun [countableC] technicalHBA an animal with thick skin, such as an elephant 厚皮动物〔如大象〕 Origin pachyderm (1800-1900) French Greek, from pachys “thick” + derma “skin”