Crossword Genius

Humbly asking for a favour (3,2,4)

Ross

I believe the answer is:

cap in hand

(Other definitions for cap in hand that I've seen before include "Go bareheaded thus to be obsequious" , "In begging posture" , "in a respectful way" , "with humility" , "Go . . . . . . . . . to beg humbly, clutching headgear?" .)

I've seen this clue in the Sydney Morning Herald.
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