I. General
A universal tendency of human language is perpetual change on all levels caused by external factors (e.g. Language contact) as well as internal ones (e.g. anomalies). Language change (LC) over a long period of time in any given language will first lead to dialectal diversification ( Language strata), then, esp. in cases of geographical separation, may result in a division into related yet independent languages. It is therefore reasonabl…