IPA: //sʌbˈsɛl.jʊ.lər//
KK: /sʌbˈsɛl.jʊ.lər/
Relating to structures or processes that occur within a cell, or smaller than a cell.
The study of subcellular components helps scientists understand how cells function.
Subcellular → It is formed from "sub-" (meaning under or below) and "cellular" (from Latin "cellula", meaning small room or chamber). The word "subcellular" refers to structures or processes that occur beneath or within the cell level.
Think of something that exists 'under' ('sub-') the level of a 'cell' — that's what subcellular means.