Frum-

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

frum-

[cp. Lat. primus; Goth. frums = ἀρχή, fruma = πρωτος; A. S. frum-]:—the first, but only in COMPDS: frumbréf, frumburðr, frumbýlingr, frumferill, frumfórn, frumgetinn, frumgetnaðr, frumgetningr, frumgjöf, frumgögn, frumhending, frumhlaup, frumhlaupsmaðr, frumhöfundr, frumkveði, frumkveðill, frumkvöðull, frumkviðr, frumkvæði, frumlína, frummál, frumrit, frumritaðr, frumsmiðr, frumsmíð, frumsök, frumtign, frumtón, frumtunga, frumvarp, frumvaxti, frumváttr, frumverr, frumvöxtr.

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