удостоверятьattestari [or, atus
заправитьsupplere [e]o [e]vi
вступлениеpraefatio [onis, f];
obscurus [a, um];inintelligibilis [e];incomprehensivus [a, um];qui intelligi non potest;difficilis [e];imperceptus [a, um];imperspicuus [a, um];