|Look at all the pollen on his shell.|
“Mom. Come outside, quick. Bring the camera. Post Haste!”
I hurriedly got my camera, went out one door, looked, ran to another, and another. Oh there they are! (I didn’t hear Daughter C come home.)
I got close enough and slowed my gate.
It’s a turtle. No hurry.
posthaste 1545, usually said to be from “post haste” instruction formerly written on letters (attested from 1538), from post (3) “system for sending mail” + haste. The verb post “to ride or travel with great speed” is recorded from 1558.