Begrime

[U]pon a vaine and fooliſh ſuperſtition, enjoining men to begrime and beray themſelves with durt, to lie and vvallovv in the mire, to obſerve Sabbaths and ceaſe from vvorke, to lie proſtrate and groveling upon the earth with the face dovvnevvard, to ſit upon the ground in open place, and to make many ſtrange and extravagant adorations.

My name that vvas as freſh / As Dians Viſage, is novv begrim'd and blacke / As mine ovvne face.

The smoke of the pine-wood fires which at night were kept continually burning around them. This had most effectually begrimed their features, and their dresses had not scrupled to partake of the same colouring.

[H]e should forthwith reform his manners, purify himself, and discontinue the vile, filthy habit of snuff-taking—a habit which, to use her own words, begrimeth the face, spoileth the form of the nose—Heaven bless the mark!—destroyeth the voice, and eventually undermineth the constitution.

collowest] i.e. begrimest, blackenest: […] Collow is smut from burnt coals.