Question

a reader can tell that the meaning of \obnoxious\ will include \having the quality of something\ because of the

Explanation:

To determine why "obnoxious" includes "having the quality of something", we analyze word structure. The suffix "-ous" (or "-ious" in this root - "obnoxious" has the suffix "-ious") is an adjective - forming suffix that means "full of" or "having the quality of". For example, "curious" (having the quality of curiosity), "dangerous" (having the quality of danger). So the key is the suffix of the word "obnoxious", specifically the suffix "-ious" (a variant of "-ous") which conveys the meaning of possessing a certain quality.

Answer:

suffix (specifically the suffix "-ious" of "obnoxious")