the word "splotch" is a relatively recent formation in english, emerging in the early 17th century. it is considered an expressive or imitative word, likely created as a blend or alteration of similar-sounding words like "spot" and "blotch," with the initial "spl-" conveying a sense of spreading or splattering. this process of forming new words through sound symbolism, where the phonetics suggest the meaning, is common in english for describing visual or auditory effects. therefore, "splotch" evolved not from classical roots but from the creative, onomatopoeic tendency of the language to form words that sound like what they represent—an irregular, messy blot.

this word is considered a simplex. it is an expressive formation, likely an alteration or expansion of the word "spot" or "blotch," influenced by sound symbolism.