obsignate/ˈɒbsɪɡneɪt/EtymologyBorrowed from Latin obsignātus, perfect passive participle of obsignō (“to seal”), see -ate (verb-forming suffix). Doublet of obsign.verbTo seal or ratify.“As circumcision was a seal of the covenant made with Abraham and his posterity ; so keeping the Sabbath did obsignate the covenant made with the children of Israel after their delivery out of Egypt”