From Proto-Italic *skōpā, from *skeh₂p- (“to prop”). Cognate with Ancient Greek σκήπτω (skḗptō, “to prop up”), Latvian šķēps (“spear, javelin”), English shaft. Compare also Scīpiō, scāpus, cippus.
Practice speaking and memorizing "scopa" and many other words and sentences in Latin.