English

accidentology

From accident + -logy.

Formed from accident + -logy

Proto-Indo-European *ḱad- ‘to fall’

…

Latin accidō ‘happen’

Latin accidēns

Old French accident

Middle English accident

Today it means

noun The study of accidents, especially of motor vehicle accidents.

Language periods are conventional ranges, not dates for this word.

Etymograph / accidentology