[6] margbrugðinn ‘shifty, often-changed’: Probably derived from the idiom bregða sier í líki ‘take on the form, appearance of something, somebody’ (see ONP: bregða), perhaps with the additional connotation ‘having made many winding, tortuous movements’ (JH). This is the earliest known occurrence of the word in ON: see Sigfús Blöndal 1920-4 for its use in MIcel.