[1855–60; thanato- + -phobia]This word is first recorded in the period 1855–60. Other words that entered Englishat around the same time include: barrage, keyword, kickoff, output, pipeline-phobia is a combining form meaning “fear,” occurring in loanwords from Greek (hydrophobia). On this model, -phobia is used in the names of mental disorders that have the general sense “dread of, aversiontoward” that specified by the initial element. Other words that use the affix -phobia include: Anglophobia, aerophobia, aviophobia, claustrophobia, photophobia