The spelling of the word "most lethiferous" can be a bit tricky, but it's still important to know it's pronunciation. This word is not commonly used, but it means "highly poisonous" or "deadly". The IPA phonetic transcription of this word is /məʊst lɛˈθɪf(ə)rəs/. The 'e' in 'lethiferous' is pronounced like the 'e' in 'bet', while the 'i' is pronounced like the 'ee' in 'bee'. The accent is on the second syllable: le-THI-fer-us. With practice, the correct spelling and pronunciation of this word can become second nature to you.
"Most lethiferous" is not a commonly used term, and as such, it does not have a documented etymology. However, we can break down the word into its components to understand its potential origins.
"Most" is an adjective used to describe the superlative degree of something, indicating the highest degree or extent. It can be traced back to the Old English word "mǣst" and the Proto-Germanic word "maistaz".
"Lethiferous" is derived from the Latin term "lēthifer", which is a combination of "lēthē" (meaning "forgetfulness" or "oblivion") and "ferre" (meaning "to carry" or "to bear"). Together, "lēthifer" means "bearing forgetfulness" or "causing oblivion". It is typically used to describe something that causes forgetfulness or death.