eisteddfod definition by Webster's New World
Origin: Welsh, a sitting, session ; from an unverified form eistedd, to sit (; from an unverified form eitsedd ; from Indo-European an unverified form aty-en-sed-; from base an unverified form sed- from source Classical Latin sedere, sit
eisteddfod definition by American Heritage Dictionary
noun pl. eis·tedd·fods or eis·tedd·fod·au
Origin: Welsh : eistedd, sitting; see sed- in Indo-European roots + bod, to be; see bheuə- in Indo-European roots.