Where does “unsecureness” come from?

unsecureness (English) comes from English unsecure, from English secure, from Middle English securite, from Middle French securité, from Latin sēcūritās, from Latin sēcūrus, from Latin sē-, from Latin sex — six.

Ancestry of “unsecureness”, step by step

unsecureness traces back through two separate lines of ancestry.

via English unsecure

StepLanguageWordMeaning
1Englishunsecureinsecure
2EnglishsecureFree from attack or danger; protected; Free from...
3Middle Englishsecuritesecurity, safety; comfort, the state of being...
4Middle Frenchsecurité
5Latinsēcūritāssecurity, safety
6Latinsēcūruscareless, negligent
7Latinsē-apart-; aside-; away
8Latinsexsix; 6
9Proto-Italicsekssix
10Proto-Indo-Europeanswéḱssix

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European swéḱs
unsecureness — Etymology, Origin & Word History | Etymology Explorer