English
grabass
From grab + ass.
Proto-Indo-European *gʰrebʰ- ‘to gather, rake, seize’
Proto-Germanic *grabōną ‘to gather, rake’
Proto-West Germanic *grabbōn
Old Saxon gravan
Middle Dutch grabben ‘to grasp, seize’
English grab
Latin asinus ‘donkey’
Old English assen ‘she-ass’
Old English assa ‘ass’
Middle English asse ‘an ass or donkey’
English ass
Today it means
noun Sexual groping; erotic horseplay.
Language periods are conventional ranges, not dates for this word.
Etymograph / grabass