Middle English

Verb

grucche (third-person singular simple present grucches, present participle grucching, simple past and past participle grucched)

1. To murmur; to grumble.
   • Chaucer, Clerk's Tale 351-4

     I seye this, be ye redy with good herte

     To al my lust, and that I frely may,

     As me best thynketh, do yow laughe or smerte,

     And nevere ye to grucche it nyght ne day,

     And eek whan I sey ye, ne sey nat nay,

     Neither by word, ne frownyng contenance?