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bio-
from Gk. bio-, comb. form of bios "life, course or way of living" (as opposed to zoe "animal life, organic life"), from PIE base *gweie- "to live" (cf. Skt. jivah "alive, living;" O.E. cwic "alive;" L. vivus "living, alive," vita "life;" M.Pers. zhiwak "alive;" O.C.S. zivo "to live;" Lith. gyvas "living, alive;" O.Ir. bethu "life," bith "age;" Welsh byd "world"). The correct usage is that in biography, but in modern science it has been extended to mean "organic life."
machination-
c.1477, "a plotting, intrigue," from L. machinationem (nom. machinatio) "device, contrivance, machination," from machinatus, pp. of machinari "contrive, plot," from machina (see machine).
dynamo-
1882, short for Ger. dynamoelektrischemaschine, coined 1867 by its inventor, Ger. electrical engineer Werner Siemans (1816-92), from Gk. dynamis "power."
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