"Poythress" is a surname that is pronounced as /ˈpɔɪθrəs/ which can be broken down into different phonetic symbols. The first syllable is pronounced as "poi" /pɔɪ/ which rhymes with "boy". The second syllable is "thress" /θrəs/ with the "th" sound pronounced as in "think" and the "r" pronounced with a light tap. As for the spelling of the surname, it may have originated from either the Old Norse "Páviðr" or the Old English "Pāga".
There is limited information available on the etymology of the word "poythress" as it appears to be a less common or possibly a variant spelling of the name "Poynter" or "Poythress". Here are some details about those names:
1. Poynter: This surname is of English origin and is derived from the Old French word "pointeur", meaning "an examiner" or "one who tests or assesses". It is said to have been a nickname given to someone considered to be a good judge or surveyor.
2. Poythress: This is also a surname of English origin. It is believed to be a variant spelling of "Poynter" or "Pointer", with additional regional variations such as "Poyntz" or "Poyntz". The name likely referred to an occupational role, specifically someone who used a pointed instrument or tool.