Where does “derailment” come from?

Derailment comes from French déraillement, from French dérailler (to leave the rails), from Middle French -ment, English rail, Latin -mentum (result or means of an action), Latin dis- (apart), Latin ex (out), and Latin rego (to direct or rule).

derailment (English): The action of a locomotive or train leaving the...

Definitions

  1. The action of a locomotive or train leaving the...

Ancestry of “derailment”, step by step

StepLanguageWordMeaning
1Frenchdéraillementderailment
2Frenchdéraillerto derail, be derailed; to be off one's rocker
3Frenchdé-used to make antonyms
4Middle Frenchdés-de-; dis
5Latindē-of; from
6Latinof; concerning; about
7Latinpostbehind; after, since, besides, except; behind,...
8Latinposteablative singular of postis
9Proto-Italicpostibehind, after
10Proto-Indo-Europeanpóstiafter
11Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti
derailment — Etymology, Origin & Word History | Etymology Explorer