Sam-

Meaning of Old Norse word "sam-"

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

sam-

a prefixed particle in compds [cp. samr], signifying combination, not used singly.

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