θῦμα (thuma)

1. that which is slain or offered, a victim, sacrifice, offering , [variant datesTragica Adespota, (Thucydides), etc.; πάγκαρπα θ. offerings of all fruits, (Sophocles Tragicus)
2. sacrifice , as an act, (Sophocles Tragicus): metaphorically, θ. λεύσιμον a sacrifice to be avenged by stoning [the murderers, 6th/5th c.BC] (ML)