a suffix originally occurring in adjectives borrowed from Latin (fictitious); on this model, used with stems of other origin (bumptious).
How To Use Common Punctuation Marks
A discussion of each mark follows, in alphabetical order by name of mark. Also includes how to divide words; use of numerals/numbers; possessives; and common errors in punctuation. Apostrophe (‘) is used to indicate possession, contractions, and plurals. Possession: The possessive form of singular nouns ends in ‘s, including nouns ending in s, x, z, ch, or sh. For example: a dog’s life, a lass’s smile. The apostrophe …
Origin of -tious
< Latin -tiōsus, equivalent to -t(us) past participle suffix + -iōsus -ious
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019