"grand-" means "big". "grandiose" and "grandeur" have different meanings. So I would like to know what their suffixes "-iose" and "-eur" mean respectively?

closed as off-topic by mplungjan, Kris, Andrew Leach, Rory Alsop, MrHen Dec 19 '13 at 14:01

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  • 1
    If etymonline doesn't mention something, does it necessarily not exist? – Tim Dec 19 '13 at 7:45
  • Seems you are asking dictionary questions today :) – mplungjan Dec 19 '13 at 7:46
  • How does "-eur" mean "agent" of verb "grand"? "grand" isn't a verb. – Tim Dec 19 '13 at 7:48
  • abstract nouns from adjectives – mplungjan Dec 19 '13 at 7:49

-eur is not really an English suffix; I believe it occurs only in loanwords from French. French has two suffixes -eur; the relevant one forms feminine nouns meaning "the property of being ___" from adjectives meaning "___", such as grandeur ("the property of being grand, big") and froideur ("the property of being froid, cold"). (The other one forms masculine agent nouns, such as empereur = "emperor", acteur = "actor"; that's the one found in English borrowings like voyeur and connoisseur (though in French the latter is now spelled connaisseur).)

-ose is not very common in English, either, but it's a bit less restricted; it's found in otiose, bellicose, morose, adipose, and so on, and it's basically just an adjective ending like -ous. (There's also another sense of -ose, which is more of an English suffix, and forms names of sugars: sucrose, glucose, dextrose, lactose, and so on.)

  • +1 However, the chemical suffix is not related to or relevant here. – Kris Dec 19 '13 at 7:56
  • @Kris: Re: chemical suffix: Yes, absolutely. My goal in mentioning it was actually to make clear that it's not related; from your comment, it seems that I failed in that goal. Do you have any thoughts how to fix that? – ruakh Dec 19 '13 at 18:25

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