pyo-

prefix

Etymology: From New Latin, from Ancient Greek πύον (púon, “pus”), from Proto-Indo-European *puH-; compare Sanskrit पूयति (pūyati, “stinks, rots”), Ancient Greek πύθω (púthō, “to rot”), Gothic 𐍆𐌿𐌻𐍃 (fuls, “foul”), Old English ful (“foul”).

1. pus