If there are any websites on Czech etymology I can't find or understand them.. I just want to know the etymology of one word today... Osel! Because we have a word in Irish.. Asal... Also meaning donkey, which is pronounced almost identically, and I want to know if it's a coincidence! I can't find any Irish/Gaeilge etymology websites either. It's frustrating. Another wierd similarity is Unor.. meaning February in Czech and January in Irish.