I think it is a first name.
Could this be her? Holocaust Survivors and Victims Database – Antonina FLEISCHMAN (ushmm.org)
https://collections.arolsen-archives.org/en/search/person/78813677?s=Antonina%20Fleishmann&t=19007&p=0
https://yvng.yadvashem.org/nameDetails.html?language=en&itemId=6136498&ind=1
https://yvng.yadvashem.org/nameDetails.html?language=en&itemId=7717969&ind=1