TIL the word 'oideaċas' comes from the Gaelic tradition of fosterage (en.wiktionary.org)
In pre-colonial Ireland, children would be sent to other parents for a few years to give them a different household and perspective. See here and here. Cú Ċulainn ⁊ Ferdia were famously foster-brothers....
TIL that the word "poop" was used in WWII as "insider/up-to-date information". (en.wiktionary.org)
Latin on English Wiktionary (en.wiktionary.org)
TIL the English word 'lord' comes as a combination of the Middle English words for 'loaf' and 'ward' (en.wiktionary.org)
Less obvious to the present, but 'servant' comes from 'bread eater' and 'lady' comes from 'bread kneader'