Fýr-clom

According to the Old English Dictionary:

fýr-clom

gen. -clommes; m. [clom a band, bond] A fire-bond; vincŭlum ignītum vel igne dūrātum :-- Ðis is þeóstre [ðeostræ MS.] hám, þearle gebunden fæstum fýrclommum this is a dark home, strongly bound with fast fire-bonds, Cd. 213; Th. 267, 16; Sat. 39. fyr-clom