The spelling of the word "art foulmouthed" can be broken down using the International Phonetic Alphabet (IPA). "Art" has three sounds: /ɑː/ for the "ar" sound, /ɹ/ for the "r" sound, and /t/ for the "t" sound. "Foulmouthed" also has three sounds: /faʊl/ for the "foul" sound, /maʊðd/ for the "mouthed" sound, and /d/ for the final "d" sound. Together, these sounds create the word "art foulmouthed," which means someone who uses profane language frequently.
There doesn't seem to be an exact term "art foulmouthed". However, if you're referring to the phrase "foulmouthed", its etymology can be traced as follows:
The word "foulmouthed" is a compound word consisting of two parts: "foul" and "mouthed".
1. "Foul" (Old English: "ful") means "dirty, unclean, morally offensive, or displeasing". It has its roots in Proto-Germanic and can be traced back to the Proto-Indo-European language.
2. "Mouthed" (Middle English: "mouthe") refers to what comes from or relates to the mouth. In this context, it signifies the use of foul language or profanity.
When combined, "foulmouthed" is used to describe someone who regularly uses vulgar or offensive language.