Sure
/ʃʊr/noun
Confident in what one thinks or knows; having no doubt.
Did you know?In medieval times, 'sure' was often linked to oaths and promises, reflecting a binding certainty that could invoke divine judgment.
Etymological Timeline
Proto-Indo-European
PIE
*ser-
“To bind or to join, indicating a strong connection.”
Latin
Latin
sīcūrus
“Safe, secure, or free from care; suggesting a strong sense of safety.”
Old French
Old French
sûr
“Safe, secure, indicating reliability and trustworthiness.”
Middle English
Middle English
sore
“Certain or assured, often used in legal contexts to denote certainty.”
Modern English
English
sure
“Confident and free from doubt; reflecting a long history of trust and certainty.”