the word "squirm" first appeared in english in the late 17th century. its origin is imitative, likely formed to evoke the sound or visual impression of a twisting, wriggling motion, similar to other expressive english verbs like "wriggle" or "twist." while its exact lineage is not traced to a classical root, its formation is part of a rich tradition in english of creating words that mimic sensory experiences. the core concept of twisting or writhing, especially from discomfort, has remained consistent in its meaning since its inception.

this word is considered a simplex. it is likely an onomatopoeic or imitative formation in english, possibly influenced by the sense of words like "worm" and "wriggle."