grov·el 
/ˈgrɑ:vəl, ˈgrʌvəl/ verb
grov·els; US grov·eled or British grov·elled; US grov·el·ing or British grov·el·ling /ˈgrɑ:vəl, ˈgrʌvəl/ verb [no obj] 1 : to kneel, lie, or crawl on the ground
▪ The peasants groveled before the king. 2 : to treat someone with too much respect or fear in a way that shows weakness in order to be forgiven or to gain approval or favor
▪ He had to grovel to get her to accept his apology. ▪ He made a groveling apology to his girlfriend.
▪ The peasants groveled before the king.
▪ He had to grovel to get her to accept his apology. ▪ He made a groveling apology to his girlfriend.
— grov·el·er (US) or Brit grov·el·ler noun, plural grov·el·ers [count]
