Euler and Maurer are certainly respected, but they represent the 'divergence' school of the mid-20th century. Modern computational phylogenetics (like the Ringe work I cited) suggests a much tighter 'Germanic Core' than Maurer’s 1940s theories allowed for. Regarding the 'Elephant in the Room': Gothic is likely conservative because of the direction of semantic change. It is a documented linguistic trend for words describing land or enclosures to expand into words for settlements (think of English 'Town' from *tuną 'fence/enclosure'). It is almost unheard of for a word meaning 'village' to suddenly be downgraded to mean 'dirt field' in a single branch. As for why dictionaries list it as 'village': Dictionaries are tools of commonality. Since the West and North Germanic branches (which cover 90% of our surviving texts) use 'village,' dictionaries list that for the sake of the user. But if you look at the etymological root *treb-, the meaning is clearly 'to build' or 'a dwelling.' A village is a collection of dwellings; a farmstead is a single dwelling. Gothic, being the earliest snapshot we have, simply catches the word before the 'collection' phase took over the West Germanic dialects.

Is there a mod to change it back? and if yes, how do you install it?

Maybe a new olive tree is something you would be interested in? There's already one in the game that you could use as a reference.  We could use it for an ochard and for the erechtheion and the olive mill. https://wildfiregames.com/forum/topic/138517-erechtheion https://wildfiregames.com/forum/topic/125638-athenian-olives

These are Zoroastrian priests or Magi depicted on the reliefs of Persepolis from the Achaemenid empire. These are not women. 

AI After #8468, there are likely some OOS which I didn't notice. In the forum are much discussions about the AI. I might give those people a hand. Multi-threading When we use a library I'll start to rewrite some of our concurrency code, to fit more nicely the ideom of the library. Motivated by #8521 but based on this branch I'll once again try to separate and move the simulation to a different thread. When I have enough courage I'll rebase my lingering PRs and "rebase" my Diffs from Phab.