portal-to-portal \| ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷\adjective alsoportal Etymology:portal (I) : of or relating to the time spent by a workman in traveling from the entrance to his employer's property to his actual working place (as in a mine) and in returning after the work shift < the basic work day was materially shortened by payment for travel time under the portal-to-portal principle — G.W.Stocking >