Kalmar "David Hartley" yawanci tana nufin sunan mutum, musamman sunan wani masanin falsafa na Ingilishi wanda ya rayu a karni na 18. Koyaya, a matsayin kalma ko kalma a cikin ƙamus, "David Hartley" bashi da takamaiman ma'ana a wajen wannan mahallin.
