Where does “actinomycetic” come from?

actinomycetic (English) comes from English actinomycete, from English actino-, from Ancient Greek ᾰ̓κτῑ́ς — ray; beam.

actinomycetic (English): Of or relating to actinomycetes

Definitions

  1. Of or relating to actinomycetes

Ancestry of “actinomycetic”, step by step

actinomycetic traces back through two separate lines of ancestry.

via English actinomycete

StepLanguageWordMeaning
1EnglishactinomyceteAny of various filamentous or rod-shaped...
2Englishactino-radial; ray; actinic radiation
3Ancient Greekᾰ̓κτῑ́ςray; beam

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Ancient Greek ᾰ̓κτῑ́ς →Every word from English actino- →Every word from English actinomycete →