Zophtic means corpulent but it's not a derogative word like 'fat' or judgamental like 'overweight'.
It's often used in art to describe corpulent women (for example Rubens paintings). I was not aware it's a Yiddish word, I thought it's greek.
zaftig or zoftig
adj.
1. Full-bosomed.
2. Having a full, shapely figure.
adj : euphemisms for slightly fat;
syn: buxom, chubby, embonpoint, plump, zaftig
[Yiddish zaftik, juicy, from Middle High German saftec, from saft, juice, from Old High German saf.]