The Collaborative International Dictionary of English v.0.48:

Tendance \Tend"ance\, n. [See Tend to attend, and cf.
   Attendance.]
   1. The act of attending or waiting; attendance. [Archaic]
      --Spenser.
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            The breath
            Of her sweet tendance hovering over him. --Tennyson.
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   2. Persons in attendance; attendants. [Obs.] --Shak.
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