From Latin scamnum, from Proto-Italic *skaβnom, from Proto-Indo-European *skabʰ-no-m, from *skabʰ- (“to hold up”). Cognate with Spanish escaño, Galician and Portuguese escano, Romanian scaun, Sanskrit स्कम्भ (skambhá).
Practice speaking and memorizing "scanno" and many other words and sentences in Italian.