Æði-

As defined by the Cleasby & Vigfusson Old Norse to English dictionary:

æði- Old Norse word can mean:

æði-

i. e. œði, in COMPDS: æðifullr, æðiregn, æðisamliga, æðistormr, æðistraumr, æðiveðr, æðiverkr, æðivindr.

æði-

II. in mod. usage æði-, with adjectives = very; æði-sterkr, það er æði-heitt, very hot; æði-kaldr, bitterly cold; æði-mikið, very much.

Possible runic inscription in Younger Futhark:ᛅᚦᛁ-
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements