Muster (verb)
must-er
To gather, summon, rouse (often followed by up).
Muster entered English around 1250–1300 and came via French from the Latin verb mōnstrāre, meaning “to show.”
Example sentences
“I’m trying to muster up the courage to ask him out!”
Mackle (verb) mak-ul to blur, as from a double impression in printing First used in 1585–95. A variant of earlier macle, makle; earlier macule (from the Latin macula, “spot, blemish”).…