～個
～こ · ～ko · JLPT N5 · noun
gram
🍎☕ 個 = person 亻 + 固 solid: one solid piece each; ko as in ikko, niko, sanko
個 means individual: 亻 (person) beside 固 (solid, firm), so each thing is counted as one separate solid piece. Count with ikko, niko, sanko. The same character gives 個人 (kojin), an individual person.