Definition
“a word or expression used in or suited to familiar and informal conversation”
“Colloquialism." Merriam-Webster.com, 2022, www.merriam-webster.com/dictionary/colloquialism#:~:text=%3A%20a%20word%20or%20expression%20used,from%20Merriam%2DWebster%20on%20colloquialism.
Informal Definition
Speech patterns or slang coming from a specific region or culture.
Etymology
“From “Colloquial” and “-ism”. Colloquial: "pertaining to conversation," from colloquy "a conversation" + -al (1). From 1752 as "peculiar or appropriate to the language of common speech or familiar conversation," especially as distinguished from elegant or formal speech.”
“Colloquialism | Search Online Etymology Dictionary.” Etymonline.com, 2022, www.etymonline.com/search?q=colloquialism.
“Etymonline.” Etymonline.com, 2018, www.etymonline.com/word/colloquial?ref=etymonline_crossreference.
Karthik S.