Slovo (Early Cyrillic)
As far as Czech is concerned, given by Jiri Rejzek (Cesky etymologicky slovnik) as cognate with sluch, both derived from PIE klewos, ḱlewos is built on *ḱleu- "to hear" source ancient greek κλύω, kluō (« hear ») & κλέος, kléos (« fame, (things we heard about »).http://en.wiktionary.org/wiki/Talk:slovo