þing-gemearc, es; n. Measuring (time) by events (? cf. other compounds of gemearc, e.g. fót-, geár-gemearc, where the first part determines the character of the measurement, measurement by feet, by years; in the case of almost all such compounds it is an (adverbial) genitive that is found) :-- Ðá wæs ágangen tú hund and þreó geteled rímes swylce þrittig eáe þinggemearces wintra measuring by the events that had happened two hundred and thirty-three years would be counted as past, things had been going on for two hundred and thirty-three years, Elen. Kmbl. 6; El. 3. Ðá wæs first ágán þinggemearces bútan þrím nihtum things had gone on till there remained only three days of the allotted time, Andr. Kmbl. 295; An. 148.