1592952930000 1312632483000 term-23375 1616540996748 1312632512000 1616289671908 adlib fitz-online adlib-term-23375 102dd9ac-a108-3e14-beb3-ed39cd78f85f 2 1 diachronic linguistics diachronic linguistics term reference term-23678 adlib-term-23678 8668aec4-2569-35a6-bd6d-752138f86f19 historical linguistics