Hwōsan

According to the Old English Dictionary:

hwōsan

p. hweós To cough :-- Wite þū gif hē mid earfodnysse hwēst and hyt ūt hrǣcþ; ꝥanne ys ꝥ clǣnsunga þāra breósta, Lch. iii. 122, 3. Hē hwēst swȳþe hefelīce . . . and þat hē ūt hrǣcþ byþ swȳþe þicce and hæfet hwȳt hīw, 126, 9. Þā men hwōsad gelōme, hwīlum blōde hrǣcaþ, ii. 258, 7. Hē egeslīce hweós and angsumlīce siccetunga teáh, swā þæt hē earfodlīce ordian mihte, Hml. Th. i. 86, 7. hwosan