crabby

the word "crabby" is a relatively modern english formation, dating to the late 16th century. it derives from the noun "crab," which in its metaphorical sense has long been associated with a sour, fractious, or ill-tempered character, likely inspired by the crab's sideways, pinching, and seemingly irritable behavior. the addition of the productive adjectival suffix "-y" creates a word that literally means "having the qualities of a crab." this semantic evolution from a concrete animal to an abstract human temperament is a classic example of metaphorical extension, where perceived behavioral traits of an animal are mapped onto human personality.

Structure: crab (crab) + y (adjective suffix) crab (from old english crabba, meaning the crustacean, used here in a metaphorical sense to denote a sour or irritable disposition); y (from old english -ig, a suffix forming adjectives meaning "characterized by; full of; having the quality of").