Where does “surérogatoirement” come from?

surérogatoirement (French) comes from French surérogatoire, from Latin superērogātōrius, from Latin superērogātiō, from Latin superērogō, from Latin ērogō, from Latin ex, from Latin commūnicō, from Latin commūnis — whale, sea monster; abyss.

surérogatoirement (French): supererogatorily

Definitions

supererogatorily

Ancestry of “surérogatoirement”, step by step

Step	Language	Word	Meaning
1	French	surérogatoire	supererogatory, superfluous
2	Latin	superērogātōrius	supererogatory
3	Latin	superērogātiō	A payment in addition
4	Latin	superērogō	to spend or pay out over and above
5	Latin	ērogō	to pay, pay out, expend, disburse
6	Latin	ex	A name of the letter "X"; out of, from
7	Latin	commūnicō	to impart, share
8	Latin	commūnis	common, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
9	Old Latin	com(m)oinis	—
10	Proto-Italic	kommoinis	common
11	Proto-Indo-European	ḱom-moy-ni-	held in common
12	Proto-Indo-European	ḱóm	beside, near, by, with
13	Proto-Indo-European	ḱe	Deictic particle, here; Post-positional...
14	Middle English	kyt	—
15	Russian	кит	whale; genitive plural of ки́та
16	Old Church Slavonic	китъ	whale
17	Ancient Greek	κῆτος	whale, sea monster; abyss

Every word from Ancient Greek κῆτος →Every word from Old Church Slavonic китъ →Every word from Russian кит →