-iour

suffix

Suffix added to verbs to form nouns.

“behaviour, saviour”

Meanings

suffix

alternative -ior

  1. idiomaticSuffix added to verbs to form nouns.

    behaviour, saviour

  2. alternativeAlternative form of -our

Origin

An alteration of -our, arising in the 15th and 16th centuries through analogy with words such as saviour (Middle English saveour, savour) and paviour (Middle English paver, pavier) which varied between forms with an intervening -e- or -i- and those without due to differing adaptions of their Old French sources (sauveor and paveor, *pavier respectively).

Full word history & related roots →
Cite this entry
APA

-iour. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/-iour

MLA

“-iour.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/-iour. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “-iour,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/-iour.

Source: -iour on Wiktionary, CC BY-SA 4.0.