From Middle English grame, gram, grome, from Old English grama (“rage, anger, trouble, devil, demon”), from Proto-Germanic *gramô (“anger”), *gramaz (“fiend, enemy”), from Proto-Indo-European *ghrem- (“to rub, grind, scrape”). Cognate with Middle Low German gram (“anger”), German Gram (“grief, sorrow”), Old Danish gram (“devil”), Icelandic gramir, gröm (“fiends, demons”). Related to grim.
(third-person singular simple present grames, present participle graming, simple past and past participle gramed)
From Middle English gramen, gramien, from Old English gramian, gremian (“to anger, enrage”), from Proto-Germanic *gramjaną (“to grill, vex, irritate, grieve”), from Proto-Indo-European *ghrem- (“to rub, grind, scrape”). Cognate with German grämen (“to grieve”), Danish græmme (“to grieve”), Swedish gräma (“to grieve, mortify, vex”).