IPA: /ˌsuːpərˈsiːdʒər/
KK: /ˌsuːpərˈsiːdʒər/
The act of replacing something old or less effective with something new or better.
The supersedure of the old queen bee ensured a stronger hive.
Supersedure → It is formed from "super-" (meaning above or over) and "sedere" (meaning to sit). The word refers to the act of sitting above or replacing something, indicating a substitution or replacement.
Think of something that 'sits above' or 'replaces' another — 'super-' means above, and 'sedere' means to sit.