The word for today is…
jinx (noun) – 1. A person or thing that is believed to bring bad luck.
2. A condition or period of bad luck that appears to have been caused by a specific person or thing.
Source : The Free Dictionary
Etymology : 1911, American English, originally baseball slang; perhaps ultimately from jyng “a charm, a spell” (17th century), originally “wryneck” (also jynx), a bird used in witchcraft and divination, from Latin iynx “wryneck,” from Greek iynx. Jynx was used in English as “a charm or spell” from 1690s.