when discussing the Inuit, or way up far north people, it is important to recognise there many indipendently invented technologys, and the language to go with them. I was very surprised one day to encounter snow that would in fact be suitable to cut into blocks and used structuraly.It is not like any other snow and is composed of a wind blown deposit, but I suspect that the exaxt conditions for the creation and bonding of the particles are rare @ the 45th paralell where I live. As to language comanalities and roots, ya sure whatever, it is clear that language is inate, and there are endless spontainious dialects and outright new languages poping up, and at ond point someone had a list of actual languages that had less speakers than klingon. And generational and class cultural boundry's demand some way to keep secrets and invent ways to create a comunication system that allows for planning a friday night after work shindig, blow the roof off, but you still want to sit and chat with grandma.....so