In scholastic philosophy, that which causes or the acting cause; the agent that produces an effect.
From Latin 'causans' (present participle of 'causare'), meaning 'causing' or 'the one who causes'. Used in medieval philosophical texts discussing causation and agency.
Medieval philosophers needed precise Latin terms for abstract thinking—'causans' (the thing doing the causing) versus 'causatum' (the thing being caused) shows how they broke down cause-and-effect into logical components we're still using today.
Complete word intelligence in one call. Free tier — 50 lookups/day.