Færr

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

færr Old Norse word can mean:

færr

adj. able, capable; færr til e-s. capable of, or with infin., able to do a thing, Nj. 215, Fms. i. 284, v. 71, xi. 24; vel færr, doing well, strong, Ísl. ii. 357; hress ok vel f., Eg. 84:—able, strong, in travelling, manna bezt færir bæði á fæti ok á skíðum, 73; færr hvert er þú vilt, Ld. 44; Sigmundr görisk færr (able-bodied) maðr mjök, Fær. 77; færr hestr, a strong, serviceable horse, Grág. i. 46, 328; búfé fært at mat sér, Gþl. 502.

færr

2. of things, fit for use, safe; of a ship, sea-worthy, opp. to úfært, Eg. 114: of weather, fært (úfært) veðr, weather fit (unfit) for travelling, Gþl. 31, freq.; þegar fært var landa milli, when the passage was open from one land to another (of the sea), Fms. ii. 232: of roads, rivers, sea, etc., safe, passable, Petlands-fjörðr var eigi f., i. 200; vegir færir at renna ok ríða, Gþl. 411; al-f., ú-fært, íll-f., etc.: the law phrase ‘eiga eigi fært út hingað,’ not to have leave to return hither (i. e. to Icel.), is the third degree of outlawry, Grág. i. 119, Þ. Þ. ch. 60:—neut. with dat. denoting safe, unsafe, er þér at síðr fært með þessi orðsending, at ek hygg …, it is so far from safe for thee to go with this errand, that …, Fms. iv. 131; freq. in mod. usage, þat er ekki fært (ófært); mér er ekki fært (ófært): in many compds, þing-f., able to go to parliament, Grág. i. 46: Icel. also say in neut., þing-fært, messu-fært, when so many people are gathered together that a meeting or service can be held; bænabókar-fær, able to read one’s prayer-book, i. e. not quite ólæs.

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