Perhaps from Old French gensor 'more small and graceful', from gent 'born into high rank, small and graceful'
gingerly
adverb, adjective
gin‧ger‧ly
if you move gingerly, or touch something gingerly, you do it in a slow careful way, because you are afraid it will be dangerous or painful [= carefully]:
He gingerly felt his way along the dark tunnel.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.