Origin of hestME, with unhistoric -t from Old English hæs, command from base of hatan, to call, akin to German heissen from Indo-European base an unverified form k?i-, to set in motion from source Classical Latin ciere, Classical Greek kinein
Origin of hestMiddle English alteration of hes from Old English hǣs ; see keiə- in Indo-European roots.
From Middle English, alteration of Middle English hes from Old English hǣs (“command”). Akin to Old English hātan "to command". More at hight