Pronunciation: [tə fɹˈə͡ʊ] (IPA) 
The phrase "to fro" is an idiomatic expression that means to move back and forth or to travel alternately between two places. Although it may appear as one word, it consists of two words "to" and "fro". "To" is pronounced as /tu/ and "fro" as /froʊ/. The spelling of this phrase is straightforward; "to" is spelled as it sounds, while "fro" is spelled with an "o" at the end to indicate its pronunciation as /oʊ/.
To fro is a colloquial verb phrase that is primarily used in British English. It is a contraction of the words "to" and "fro" and is often written as one word (to-fro) or hyphenated (to-fro).
To fro refers to the act of moving back and forth, typically in a repeated or regular manner, often within a confined or limited space. It expresses the concept of alternating between two points or locations repeatedly. This phrase is commonly used in the context of physical movement but can also be used metaphorically.
The term to fro can describe various types of movements or actions, such as pacing or oscillating between two points, going back and forth in a pendulum-like motion, or shuttling repeatedly between two places or tasks. It implies a sense of rhythm or repetition in the motion.
For example, one might say, "The child was running to fro in the playground," indicating that the child was energetically moving back and forth from one end of the playground to the other. Another example could be, "She spent the whole day to-fro between the kitchen and the living room, preparing food and serving guests."
In summary, to fro refers to the act of repeatedly moving back and forth between two points or locations, either physically or metaphorically, often in a rhythmic or repetitive manner.
