Rúmatal

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

rúmatal

n. number of ‘rooms’ in a ship (skip þrítugt at ~i).

Possible runic inscription in Younger Futhark:ᚱᚢᛘᛅᛏᛅᛚ

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