One Word Answer:

Can you tell in one word the name of the following suffix?

‘The medians of a triangle have this point in common’. 

Answer:     Centroid:
 The three times from a vertex to the mid-point of the opposite side (medians) of a triangle pass through a common point called the Centroid of the triangle. The term is derived from ‘centre ‘and ‘Oid’ the centre of gravity of a triangular lamina is at this point.