英语词源字典 - 在线词源网站

assiduity (n.)[assiduity 词源字典]: early 15c., from Latin assiduatem "continual presence," noun of quality from past participle stem of assiduus (see assiduous).[assiduity etymology, assiduity origin, 英语词源]
conduit (n.): c. 1300, conduyt, from Old French conduit (12c.) "escort, protection; pipe, channel," from Latin conductus "a leading, a pipe" (see conduct). A doublet of conduct, differentiated in meaning from 15c.
Hinduism (n.): blanket term for "polytheism of India," 1829, from Hindu + -ism.