Morpheme
-itous
Type
suffix
Denotation
adjective suffix denoting “having, full of, having to do with, doing, inclined to” corresponding to -ty abstract nouns
Etymology
(1) modern suffixal construction from -i- + -ty + -ous, from Latin -tās + -ōsus; (2) Latin -ītus; (3) Latin -icius
Evidence
calamitous, calamitously, calamitousness, felicitous, fortuitous, gratuitous, infelicitous, lateritous, necessitous, precipitous, serendipitous
Notes
unanalyzable