Words that come from Proto-Indo-European “wosno-”

18 words across 4 languages descend from Proto-Indo-European wosno- — including opsonin, oniomania, ὀψωνέω, ὤνιος, obsonium, opsony, obsono, obsonare.

See the etymology of wosno- itself →

Latin (7)

Ancient Greek (6)

English (4)

Greek (1)