Where does “derailleur” come from?

derailleur (English) comes from French dérailleur, from French dérailler, from French dé-, from Middle French dés-, from Latin dē-, from Latin dē, from Latin post, from Latin poste — afterwards, post; by, at.

derailleur (English): The mechanism on a bicycle used to move the chain...

Definitions

  1. The mechanism on a bicycle used to move the chain...

Ancestry of “derailleur”, step by step

StepLanguageWordMeaning
1Frenchdérailleurderailleur
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