Where does “duty-free” come from?

duty-free (English) comes from English duty, from Middle English duete, from Middle English dewe, from Old French deü, from Latin dēbēre, from Latin dē, from Latin post, from Latin poste — afterwards, post; by, at.

duty-free (English): Exempt from duty, especially from customs duty; A...

Definitions

  1. Exempt from duty, especially from customs duty; A...

Ancestry of “duty-free”, step by step

StepLanguageWordMeaning
1EnglishdutyThat which one is morally or legally obligated to...
2Middle EnglishdueteA charge, fee, or tax; a monetary sum one is owed...
3Middle EnglishdeweAlternative form of dew; Alternative form of...
4Old FrenchdeüAlternative form of deu
5Latindēbēre
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

Words derived from “duty-free

Every word from Proto-Indo-European pósEvery word from Proto-Indo-European póstiEvery word from Proto-Italic posti