odious

the word odious originates from the latin adjective odiosus, which itself is derived from the noun odium, meaning 'hatred' or 'offensiveness'. the suffix -osus was added to nouns to create adjectives indicating an abundance of the quality, thus odiosus literally meant 'full of hatred' or 'hateful'. entering english via anglo-norman in the late 14th century, it has consistently retained its core sense of describing something that arouses intense dislike or repugnance. the semantic logic is direct, linking the ancient root for hatred to the modern abstract concept of being thoroughly repulsive or offensive.

Structure: od (hate) + ious (adjective suffix) od (from latin odium, meaning 'hatred, offensiveness'); ious (a latin-derived suffix forming adjectives, meaning 'full of, characterized by')