The word "touchest" is spelled with six letters and two syllables, and is pronounced as /ˈtʌtʃəst/. The phonetic transcription shows that the first syllable is pronounced as /tʌtʃ/, using the "t" and "sh" sounds, and the second syllable is pronounced as /əst/, with the stress on the second letter "t". "Touchest" is the second person singular form of the verb "touch", meaning to come into contact with something, and is rarely used in modern English.
The word touchest is derived from the Middle English word touchen which comes from the Old French word touchier. In turn, touchier can be traced back to the Latin word toccare meaning to touch.