actinomyceteyoudaoicibaDictYouDict[actinomycete 词源字典]
"A bacterium of an order of typically non-motile filamentous forms. They include streptomycetes, and were formerly regarded as fungi", 1920s (originally only in the plural): modern Latin, from Greek aktis, aktin- 'ray' + mukētes, plural of mukēs 'fungus'.[actinomycete etymology, actinomycete origin, 英语词源]