The word 'treacle' once referred to an antidote to poison — it now means molasses.

The word 'quarantine' comes from Italian 'quarantina' — meaning 40 days — the period ships were isolated during plague.

The longest word in English, pneumonoultramicroscopicsilicovolcanoconiosis, was invented to be the longest word.

There are approximately 7,000 languages spoken in the world — about half are expected to disappear by end of the century.

Sanskrit has the most perfect grammatical structure ever analyzed by linguists.

The word 'lethologica' describes the inability to remember the word you want.

There are approximately 7,000 languages spoken on Earth today, and one goes extinct roughly every two weeks.

The word 'assassin' derives from the Arabic 'hashishin' — a medieval Islamic sect's name.

The word 'philosophy' is Greek for 'love of wisdom' — coined around the 6th century BC.