As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):
þroski Old Icelandic word can mean:
- 1) maturity, full age, manhood (sveinninn var snimma með miklum þroska);
- 2) promotion, advancement (ek em því fegnust, at þinn ~ mætti mestr verða).
Possible runic inscription in Younger Futhark:ᚦᚱᚢᛋᚴᛁ
Also available in related dictionaries:
This headword also appears in dictionaries of other languages closely related to Old Icelandic.