IPA: /prɪˈsɪft/
KK: /prɪˈsɪft/
To separate or filter something before it is used, often to remove unwanted parts or to prepare it for further processing.
Before baking, you should presift the flour to remove any lumps.
Past: presifted
Past Participle: presifted
Presift → It is formed from "pre-" (meaning before) and "sift" (from Old English "siftan", meaning to separate or strain). The word "presift" means to sift or separate something before a certain process or action occurs.
Think of doing something 'before' ('pre-') you 'separate' ('sift') it — that's why presift means to sift beforehand.