English
supersecure
From super- + secure.
Proto-Indo-European *kʷeys- ‘to heed’
Proto-Italic *kʷoizā ‘care’
Latin cūra ‘care’
Latin sēcūrus ‘of persons’
English secure
Today it means
adj Having an extremely high level of security.
Language periods are conventional ranges, not dates for this word.
Etymograph / supersecure