pyogenes

Latin

Etymology

pyo- + -genēs (“producing”), from Ancient Greek πύον (púon, “pus”) + γεννάω (gennáō, “to produce”)

Adjective

pyogenēs (neuter pyogenes or pyogenēs); third-declension one-termination adjective (Greek-type)

1. (New Latin) pyogenic, pus-producing; A specific epithet for several pyogenic bacteria

Usage notes

• Used exclusively as a taxonomic epithet and thus normally in the nominative singular; other inflections may be theoretical or rarely found.

Declension

Third-declension one-termination adjective (Greek-type).

	singular			plural
	masc./fem.	neuter		masc./fem.	neuter
nominative	pyogenēs	pyogenes1 pyogenēs		pyogenēs	pyogena pyogenia2
genitive	pyogenis			pyogenum pyogenium2
dative	pyogenī			pyogenibus
accusative	pyogenem	pyogenes1 pyogenēs		pyogenēs	pyogena pyogenia2
ablative	pyogene pyogenī2			pyogenibus
vocative	pyogenes1 pyogenēs			pyogenēs	pyogena pyogenia2

¹It is unknown if Classical Latin preserved (or would have preserved) the shortness of the original Greek short ending.
²It is unknown whether adjectives of this type would use i-stem or consonant-stem endings in Classical Latin: the relevant forms are not attested. Depending on the word, either ending or both may be attested in New Latin.

Derived terms

• Actinomyces pyogenes
• Arcanobacterium pyogenes
• Corynebacterium pyogenes
• Streptococcus pyogenes

Related terms

• pyogenicus
• pyogenus