ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
出典:Wiktionary
From the Ancient Greek ψῆφος (psêphos, “pebble”); the later, electoral sense stems from the ancient Athenian method of voting by putting a pebble in a ballot box (for which sense see psephisma かつ psephophoria).
pseph-