Word Origin & History
slowO.E. slaw "inactive, sluggish," also "not clever," from P.Gmc. *slæwaz (cf. O.S. sleu "blunt, dull," M.Du. slee, Du. sleeuw "sour, tart, blunt," O.H.G. sleo "blunt, dull," O.N. sljor, Dan. sløv, Swed. slö "blunt, dull"). Meaning "taking a long time" is attested from c.1230. Meaning
EXPAND "dull, tedious" is from 1841. The verb is O.E. slawian; modern use may be a 16c. reformation. Slowpoke is first recorded 1848. Slow burn "delayed anger reaction" is attested from 1975.
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