Where does “ffensys” come from?

ffensys (Welsh) comes from Welsh ffens, from English fence, from Middle English fence, from Middle English defence, from Old French defens, from Late Latin defensa, from Latin defensus, from Latin dēfendō — afterwards, post; by, at.

Ancestry of “ffensys”, step by step

StepLanguageWordMeaning
1Welshffensfence
2EnglishfenceA thin artificial barrier that separates two...
3Middle Englishfence
4Middle Englishdefence
5Old Frenchdefens
6Late Latindefensaprotection; bounded, defended; defence
7Latindefensusdriven away, having been driven away; defended,...
8Latindēfendōto drive away
9Latindē-of; from
10Latinof; concerning; about
11Latinpostbehind; after, since, besides, except; behind,...
12Latinposteablative singular of postis
13Proto-Italicpostibehind, after
14Proto-Indo-Europeanpóstiafter
15Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European pós