Obs. Also 6–7 sourse. [f. prec. or OF. sours-, pret. stem of sourdre SOURD v.]
1. intr. Of a bird of prey: To rise after seizing its quarry.
1513. Douglas, Æneid, XI. xiv. 74. Evir the sarar this ern strenis his gryp,… Sammyn wyth hys wyngis soursand in the sky.
2. To rise, surge, or boil up.
1594. Nashe, Terrors of Night, Wks. (Grosart), III. 257. Anie ouerboyling humour which sourseth hiest in our stomackes.
3. To spring or take rise from something.
1599. Nashe, Lenten Stuffe, Wks. (Grosart), V. 249. They … neuer leaue roaring it out … of the freedomes and immunities soursing from him.
1611. Cotgr., Sourcé, sourced, sprung or begun from.
1666. G. Harvey, Morb. Angl., viii. 70. [Consumption] sourceth from an Ulcer in the Lungs.
Hence † Sourcing ppl. a. Obs.
a. 1660. Contemp. Hist. Irel. (Ir. Archæol. Soc.), II. 117. Like a bankroute or shipe lost on the continent by the furie of sourcinge waves.
