Theaetetus is a proper noun, used as a personal name in classical Greek history and philosophy, most notably the Socratic dialogue authoring Theaetetus. In pronunciation, it typically stresses the second or third syllable depending on dialect, and ends with a light, unstressed -es or -us quality in classical usages. In modern contexts, it is treated as a foreign proper noun with a long, multi-syllabic structure matching Greek phonology. (2-4 sentences, 50-80 words)
Full pronunciation guide