iynx

The origin of 'jinx' is uncertain, but the leading theory connects it to the Greek word iynx (also spelled iunx), the name for the wryneck bird (Jynx torquilla). In Greek magical practice, the wryneck was tied to a small wheel (also called an iynx) and spun while the practitioner chanted love spells. The bird's strange habit of twisting its neck — it can rotate its head nearly 180 degrees — was associated with the binding and twisting of desire. Pindar and Theocritus both reference the iynx-wheel in their poetry.

The path from Greek iynx to English jinx is not fully documented. The word 'jinx' appeared in American English around 1911, initially in baseball slang. A jinx was bad luck — a player who brought bad luck to the team, or a situation that attracted it. The Merriam-Webster dictionary dates the noun to 1911 and the verb to 1912. Some etymologists reject the Greek connection entirely, suggesting an independent American coinage. The trail is unclear.

Whether or not the Greek bird is the true ancestor, the word filled a gap in English. 'Curse' was too strong. 'Hex' was regional. 'Jinx' was perfect: light, informal, applicable to sports, games, and daily life. 'Don't jinx it' — meaning don't tempt fate by predicting success — is one of the most common superstitious phrases in American English.

The word has also produced a children's game: when two people say the same word simultaneously, one says 'jinx!' and the other is 'jinxed' — unable to speak until their name is said. The curse has been reduced to a parlor game. The wryneck bird on its wheel, spinning to bind a lover's heart, is now a game that children play on school buses.