Tó-swellan

According to the Old English Dictionary:

tó-swellan

pp. -swollen To swell out, grow big :-- Ic tóswelle turgeo, Ælfc. Gr. 26, 3; Zup. 155, 12. Tóswyllaþ grossescunt, intumescunt, Hpt. Gl. 447, 29. Se earm wæs swá swíþe greát and tóswollen brachio in tantum grossescente, Bd. 5, 3; S. 616, 23. Wiþ tótece . . . ðæt tó-swollene lim fram ðære uferan healfe beþe, Lchdm. ii. 68, 13. Wæs án cnapa swíðe tóswollen þurh wyrmes siege, Homl. Th. ii. 514, 7 : Homl. Skt. i. 3, 481. Ða tóswolnan turgida, Wrt. Voc. ii. 93, 7. Of ðám tóswollenum fótum (feet swollen with dropsy"), Homl. Th. i. 86, ll. [Al ic æm toswollen. Laym. 17815. Heorte tobollen & toswollen, A. R. 282, 8. Toswelle intumescere, Wick. Jerem. 5, 22. Toswal; p. Mand. F. O. H. Ger. zi-suollan tumida.] to-swellan