celerity
n. US //səˈɫɛɹəti// UK //sɛlˈɛɹɪti// celer·i·ty Archaic
From Old French celeritee (compare French célérité), from Latin celeritas, from celer (“fast, swift”).
From Old French celeritee (compare French célérité), from Latin celeritas, from celer (“fast, swift”).
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