Ginian
Bosworth & Toller Anglo-Saxon Old English Dictionary - ginian
According to the Old English Dictionary:
geonian, gynian;
- ginian
- p. ode To yawn, gape :-- Ic gynige hio, Ælfc. Gr. 24; Som. 25, 39. Gewíte seó sáwul út ne mæg se múþ clypian ðeáh ðe he gynige if the soul depart the mouth cannot cry, though it gape, Homl. Th. i. 160, 9. Mid gynigendum múþe with gaping mouth, ii. 176, 21: 510, 33. Seó eorþe swá giniende bád the earth remained gaping so, Ors. 3, 3; Bos. 56, 3. [Wick, p. pl. ȝeneden: O. H. Ger. ginen, ginon hiare.]