-iour

iour English Alternative forms en -ior Etymology An alteration of en -our, arising in the 15th and 16th centuries through analogy with words such as en saviour (enm saveour, enm savour) and en paviour (enm paver, enm pavier) which varied between forms with an intervening -e- or -i- and those without due to differing adaptions of their Old French sources (fro sauveor and fro paveor, fro *pavier respectively). Suffix en no longer productive Suffix added to verbs to form nouns. en behaviour behaviour, en saviour saviour en -our Derived terms en -our