ystlum

== Welsh == === Etymology === Cognate with Irish ialtóg; likely from a non-IE substrate language. === Pronunciation === (North Wales) IPA(key): /ˈəsdlɨ̞m/, [ˈəstlɨ̞m] (South Wales) IPA(key): /ˈəsdlɪm/, [ˈəstlɪm] === Noun === ystlum m (plural ystlumod) bat (Chiroptera, flying mammal) ==== Derived terms ==== === Mutation === === References ===