Where does “Esmé” come from?

Esmé (French) comes from Old French esmer, from Latin aestimō, from Latin aestumo — to value, rate, esteem.

Ancestry of “Esmé”, step by step

Step	Language	Word	Meaning
1	Old French	esmer	to estimate; to work out through thought; to...
2	Latin	aestimō	to determine the value of something; value, price, rate, appraise, assess; estimate, reckon, consider, judge
3	Latin	aestumo	to value, rate, esteem