adjective: from Latin propinquātus brought near, pa. pple. of propinquāre to draw near
verb: from ppl. stem of Latin propinquāre to bring near, to draw near
1623 - The English Dictionarie of 1623, Henry Cockeram:
"Propinquate, to approach"
From: Culpeper's English Physician;
And Complete Herbal.
Edited by E. Sibly, 1794