Good evening and welcome to Word of the Day! A journey through the English vocabulary and the words that piqued my interest, in WotD we'll be learning a new word for each working day of the week, bar holidays, unless there's a holiday special...

Today's word is:

triskaidekaphobia

|ˌtriskīˌdekəˈfōbēə; ˌtriskə-|

noun

extreme superstition regarding the number thirteen.

ORIGIN: early 20th cent.: from Greek treiskaideka 'thirteen' + -phobia.