Pronunciation: [ðˈəz] (IPA) 
The word "theres" is a contraction of the phrase "there is". It is spelled with an apostrophe to indicate the omission of the letter "i" in "is". The IPA transcription for "theres" is /ðɛr/ + /z/. The "th" sound is represented by the symbol /ð/ and the "s" sound is represented by /z/. When speaking, it is important to emphasize the "th" sound before saying the word "theres" to ensure proper pronunciation.
There's is a contraction of the words "there" and "is" or "there" and "has." It is used to indicate the existence or presence of something or someone at a particular place or time. The contraction is commonly used in informal and spoken English.
The primary function of there's is to express the existence of something in a location. For instance, if someone says, "There's a cat on the roof," it means that a cat is currently present on the roof. Similarly, the contraction can be used to refer to a specific object or person in a particular place, as in the sentence, "There's John, waiting for the train."
Furthermore, there's also serves to indicate possessive aspects. For instance, in the sentence, "There's been progress in the project," there's indicates that progress has occurred or exists in the project. Similarly, it can be used to convey the idea that someone has possession of something, such as in the sentence, "There's his car parked in the driveway."
Overall, the contraction there's is a widely accepted and commonly used way to express the existence, presence, or possession of something or someone. It provides a succinct and convenient way to convey these meanings in conversational English.
The word "theres" does not have a distinct etymology as it is not a standalone word. However, "theres" is a contraction of the words "there" and "is", used in certain contexts to indicate the existence or presence of something. The word "there" comes from Middle English "ther", which ultimately originated from Old English "þǣr". "Is" is derived from Old English "is" and has its roots in Proto-Germanic.
