sentences:  The etymology of the name is disputed – it may represent either the Old Irish "tech" (house – "taigh" in modern Scottish Gaelic) or "Oideachd/Oideachas", a word for a religious seminary.Adomnan mentions that St Cainneach (Kenneth) used "Oidecha Insula" as a stopping place on his journey between Iona and Ireland.Kenneth is said to have left his crozier on Iona on this journey, so St Columba blessed it, cast it into the sea, and it washed up on "Oidecha" where Kenneth found it.