Sources | "Forms: 5-9 supercede, (6 Sc. -ceid, 6-7 -sead, -e, Sc. 6-7 -seid, 7 -cid, -seed), 6- supersede. [a. OF. superceder, later -seder, ad. L. supersedre (in med.L. often -cedere) to sit above, be superior to, refrain from, omit, in med.L. to succeed to an estate, f. super- SUPER- I, II + sedre to SIT. Cf. It. soprassedere, Sp. sobreseer.]" -- OED Online 2nd edition entry (1989)
[5 denotes 15th century, 6 -> 16th, etc] |
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Comment | My impression, having looked at all the OED's quotations, is that the spelling was indeed mixed in the 15th and 16th centuries, perhaps partly under the influence of the Old French and mediaeval Latin variability. And that 'supersede' progressively predominated from the 17th century on; the more so, the more spelling became standardi[s|z]ed: no 'supercede' cited later than 1807. We seem to have been treating 'supsersede' as standard for well over two hundred years.
That being so, I expect and intend always to use 'supersede', and wouldn't lobby for the use of 'supercede'. I'd think of it as unjustified. That's not to say it may not happen. What have been thought of as errors do sometimes gain currency, perhaps more quickly and widely now than ever before. Conceivably the parallel use of variant spellings could even become more common again. |
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