Origin of sphincterLate Latin from Classical Greek sphinkt?r from sphingein, to draw close from Indo-European an unverified form spheig- from base an unverified form sp?i-, to flourish, grow thick from source speed, spare
Origin of sphincterLate Latin sphinctēr from Greek sphinktēr from sphingein to bind tight
From Late Latin sphincter, from Ancient Greek ÏƒÏ†Î¹Î³ÎºÏ„Î®Ï (sphinktÄ“r, “band, contractile muscle"), from ÏƒÏ†Î¯Î³Î³Ï‰ (sphingÅ, “I bind tight"). Compare sphinx, "the strangler".
sphincter - Medical Definition