As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):
gróa Old Icelandic word can mean:
- (grœr, greri, gróinn), v.
- 1) to grow (of vegetation); jörð grœr, earth grows; þá var grund gróin grœnum lauki, the ground was covered with green herbs;
- 2) to grow together, become joined to (höfuð konungs var gróit við bolinn);
- 3) of wounds, to be healed (sár hans greru seint); Ingólfr lá í sárum vetr þenna, ok greri yfir at kalla, his wounds were healed in a way; of the person, gróinn sára sinna, healed of one’s wounds; g. um heilt, to be quite healed; fig. to be reconciled (grœr um heilt með þeim).
Possible runic inscription in Younger Futhark:ᚴᚱᚢᛅ
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This headword also appears in dictionaries of other languages closely related to Old Icelandic.