Fýr-smeortende

According to the Old English Dictionary:

fýr-smeortende

part. Fire-smarting; ignītus :-- Gnættas cómon ofer ðæt land mid fýrsmeortendum bítum gnats came over the land with fire-smarting bites, Ors. 1, 7; Bos. 29, 30. fyr-smeortende