Tréníð

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

tréníð

n. the carving on a post of a person’s likeness in an obscene posture.

Possible runic inscription in Younger Futhark:ᛏᚱᛁᚾᛁᚦ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norwegian - Johan Fritzner's Dictionary