split infinitive: Word of the day for September 8, 2017

split infinitive , n :
(grammar) An infinitive with one or more modifiers inserted between the to and the verb. The first episode of the original Star Trek television series aired in the United States on this day in 1966. A voiceover at the start included the phrase “to boldly go where no man has gone before”, which is often cited as an example of a split infinitive.