expromissor noun.
[ɛksprǝ'mɪsǝ] Now
Hist. L17.[Late Latin, from Latin expromiss- pa. ppl stem of expromittere promise or agree to pay, formed as EX-1 + promittere: see PROMISE noun, -OR.]A person who agreed to pay;
esp. one who took the place of a debtor in a case of expromission.
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