IPA: /ˈsplɪtər/
KK: /ˈsplɪtər/
A person or thing that divides something into parts or sections.
The splitter allowed us to adjust the size of the two windows on the screen.
Splitter → It is formed from "split" (from Old English "splittan", meaning to divide or separate) and "-er" (meaning a person or thing that performs an action). A splitter is a person or thing that divides or separates something.
Think of someone or something that 'divides' ('split') — the '-er' indicates that it performs the action of splitting.