The Hebrew word for ‘root’. In linguistical context, the term refers to the main three letters (usually consonants and sometimes only two letters) which provide the basic meaning to the word. For instance, the shoresh of the words לכתוב (to write), מכתב (letter), התכתבות (correspondence), כתובת (address), and להכתיב (to dictate) consists of the letters כ-ת-ב (Kaf-Tav-Bet) which conveys the meaning of writing.