The word "most susurrus" is a combination of two terms. "Most" is an adverb meaning 'to the greatest extent or degree', while "susurrus" is a noun describing the soft murmuring or rustling sound of leaves, grass, or water. The spelling of "susurrus" is influenced by its Latin origin, where the letter 's' was pronounced as [s]. The IPA phonetic transcription is [səˈsʌrəs]. When combined with "most," it creates an intensified form of the original term, implying the highest degree of soft sounds.
The word "susurrus" originated from Latin and its etymology can be traced back to the verb "susurrare", which means "to whisper" or "to murmur". Over time, it evolved into the noun "susurrus", referring to a soft whispering or murmuring sound. As for the inclusion of "most" before "susurrus", it is likely an intensifier or a way to emphasize the magnitude or extent of the sound.