The word "illapsed" is a somewhat uncommon term that means "to flow in or into," often used in the context of time. Though it may be confusing to spell at first glance, its pronunciation is straightforward: [ɪˈlæpst]. The "il" in "illapsed" is pronounced like the "ill" in "illogical," with a short "i" sound, while the "apsed" is pronounced with a short "a" sound, like "happened." With a bit of practice, the spelling and pronunciation of "illapsed" will become second nature.
The term "illapsed" is derived from the Latin word "illapsus", which is the past participle of "illabi", meaning "to glide in" or "to slip into". It is formed by combining the prefix "in-" (meaning "in" or "into") and the verb "labi" (meaning "to glide" or "to slip"). The term "illapsed" is primarily used to describe something that has slipped or fallen into a particular state or condition.