Where does “penicilloic” come from?

penicilloic (English) comes from English penicillin, from Translingual Penicillium, from Latin pēnicillum, from Latin -illus, from Latin -lus, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

penicilloic (English): Relating to any carboxylic acid derived from a...

Definitions

  1. Relating to any carboxylic acid derived from a...

Ancestry of “penicilloic”, step by step

penicilloic traces back through two separate lines of ancestry.

via English penicillin

StepLanguageWordMeaning
1EnglishpenicillinAny of a group of narrow-spectrum antibiotics...
2TranslingualPenicilliumgenus
3LatinpēnicillumA painter's brush
4Latin-illusUsed to form adjectives from nouns
5Latin-lusAlternative form of -ulus; diminutive suffix
6Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
7Proto-Indo-European-e-lós
8Proto-Indo-European-lósForms agent nouns from verbal roots

via English OIC

StepLanguageWordMeaning
1EnglishOICAbbreviation of officer in the case; Abbreviation...
Every word from Proto-Indo-European -lósEvery word from Latin -lusEvery word from Latin -illus