Etymograph > Indo-European > Old English > Dictionary > rīeċan

to fumigate, to burn incąense

Source: Ringe 2014:209
originates from: PNWGmc *raukijaną "to cause smoke, to smoke (meat etc.)" (raukijaną > raukijan > raukjan > rēakjan > rēaċjan > rīeċjan > rīeċan)
(source: Ringe 2014:209)