Whimper
来自Big Physics
early 16th century: from dialect whimp ‘to whimper’, of imitative origin.
wiktionary
From dialectal whimp(“to whine”) + -er(frequentative suffix). Compare German wimmern(“to whimper, whine”).
etymonline
whimper (v.)
1510s, probably of imitative origin, or from German wimmern "to whimper, moan." Related: Whimpered; whimpering. The noun is first recorded c. 1700.