τακτικός

Etymology
From.

Adjective

 * 1) fit for ordering or arranging, especially in war
 * 2)  a tactician
 * 3)  tactics
 * 4)  regulating
 * 5)  ordinal

Adjective

 * 1) usual, regular
 * 2) frequent, regular
 * 3) tactical
 * 4)  ordinal