Undern

根据古英语词典：

undern

Add: I. the third hour of the day :-- Hé hét þæt hí áne tíd ofer undern (cf. æt þǽre þriddan tíde on morgenne, Bl. H. 201, 35) hí getrymedon ongeán heora fýnd, Hml. Th. i. 504; 24. II. the service of the church at the third hour :-- Þysum gesungenum cweðan gebed ꝥ drihtenlice. Þáræfter fylige undern (tertia). Þám geendedum . . . , Angl. xiii. 404, 554. Underne gedónum tertia peracla, 388, undern