Where does “defence” come from?

defence (Middle English) comes from Old French defens, from Late Latin defensa, from Latin defensus, from Latin dēfendō, from Latin dē-, from Latin dē, from Latin post, from Latin poste — afterwards, post; by, at.

Ancestry of “defence”, step by step

StepLanguageWordMeaning
1Old Frenchdefens
2Late Latindefensaprotection; bounded, defended; defence
3Latindefensusdriven away, having been driven away; defended,...
4Latindēfendōto drive away
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

Words derived from “defence

Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti