Word Origin & History
spell (v.1)
"name the letters of," O.E. spellian "to tell, speak," infl. by O.Fr. espeller "declare, spell," from Frank. *spellon "to tell;" both O.E. and Frank. from P.Gmc. *spellan (cf. O.H.G. spellon "to tell," O.N. spjalla, Goth. spillon "to talk, tell"), from PIE *spel- "to say aloud, recite." Meaning "write or say the letters of a word" is c.1400, from notion of "read letter by letter, read with difficulty" (c.1300). Spell out "explain step-by-step" is first recorded 1940, Amer.Eng. Spelling bee is from 1878 (earlier simply spelling, 1860).