treithyen التعريفات والمعاني == Crimean Gothic == === Etymology === Directly from, or from words cognate with tria (“three”) + thiine (“ten”). === Numeral === treithyen thirty شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة treiteren triethylene triethylenediamine triethylenemelamine triethylenetetramine tréitheach triethylenediamines tréithe pearsanta tréithe