A hybrid word or hybridism is a word that etymologically derives from at least two languages. Common hybrids The most common form of hybrid word in English combines Latin and Greek parts. Since many prefixes and suffixes in English are of Latin or Greek etymology, it is straightforward to add a prefix or suffix from one language to an English word that comes from a different language, thus creating a hybrid word. Hybridisms were formerly often considered to be barbarisms. English examples Antacid – from Greek () 'against' and Latin acidus 'acid'; this term dates back to 1732. Aquaphobia – from Latin 'water' and Greek () 'fear'; this term is distinguished from the non-hybrid word hydrophobia, which can refer to symptoms of rabies. Asexual – from Greek prefix 'without' and the Latin 'sex' Automobile – a wheeled passenger vehicle, from Greek () 'self' and Latin 'moveable' Beatnik – a 1950s counterculture movement centered on jazz music, coffeehouses, marijuana, and a literary movement, from English 'beat' and Russian 'one who does'. The term was coined in 1958 by San Francisco newspaper columnist Herb Caen. Biathlon – from the Latin 'twice' and the Greek () 'contest'; the non-hybrid word is diathlon Bigamy – from Latin 'twice' and Greek () 'wedlock'; this term dates back to the 13th century. Bigram – from Latin 'twice' and Greek (); the non-hybrid word is digram Bioluminescence – from the Greek () 'life' and the Latin 'light' Campanology – from Latin 'bell' and Greek () 'the study of' Chiral – from Greek () 'hand' and Latin adjectival suffix . The term was coined in 1894. Chloroform – from Greek () 'pale green' (indicating chlorine here) and Latin 'ant' (indicating formic acid here). The term first appeared in 1830s. Claustrophobia – from the Latin 'confined space' and Greek () 'fear'. This term was coined in 1879. Democide – from the Greek () 'people' and the Latin '-killer' Divalent – from Greek () 'two' and Latin 'strong'; the non-hybrid word is bivalent Dysfunction – from the Greek () 'bad' and the Latin Eigenvalue– and English of French origin 'value'. Electrocution – a portmanteau of electricity, from the Greek (), 'amber', and execution, from the Latin , 'follow out' Eusociality – from the Greek () 'good' and the Latin Genocide – From the Greek () 'race, people' and the Latin 'to kill' Geostationary – From Greek () 'Earth' and the