Ilhärdha
Old Swedish Dictionary - ilhärdhaMeaning of Old Swedish word "ilhärdha" (or ilhærdha) in Swedish.
As defined by K.F Söderwall's dictionary of Medieval Swedish:
Orthography: Early Old Swedish used different letters for ä and ö, so ilhärdha may have also been written as ilhærdha
Part of speech: vb
Grammatical aspect: v.
Alternative forms or notes:- ilhärdha sik , förhärda sig. j festin idhir ok ihärdhin mot kärlekenom Bir 1: 220.
Possible runic inscription in Medieval Futhork:ᛁᛚᚼᛅᚱᚦᚼᛆ
Medieval Runes were used in Sweden from 12th to 17th centuries.