Where does “extente” come from?

extente (Middle English) comes from Old French estente, from Old French estendre, from Latin extendere, from Latin extendo, from Latin ex-, from Latin e, from Latin ex, from Latin commūnicō — whale, sea monster; abyss.

Ancestry of “extente”, step by step

extente traces back through two separate lines of ancestry.

via Old French estente

Step	Language	Word	Meaning
1	Old French	estente	valuation of land, stretch of land
2	Old French	estendre	to stretch, extend or spread
3	Latin	extendere	third-person plural perfect active indicative of...
4	Latin	extendo	I stretch or thrust out; I extend, prolong or...
5	Latin	ex-	out, away; throughout; thoroughly
6	Latin	e	The name of the letter "E"; out of, from
7	Latin	ex	A name of the letter "X"; out of, from
8	Latin	commūnicō	to impart, share
9	Latin	commūnis	common, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
10	Old Latin	com(m)oinis	—
11	Proto-Italic	kommoinis	common
12	Proto-Indo-European	ḱom-moy-ni-	held in common
13	Proto-Indo-European	ḱóm	beside, near, by, with
14	Proto-Indo-European	ḱe	Deictic particle, here; Post-positional...
15	Middle English	kyt	—
16	Russian	кит	whale; genitive plural of ки́та
17	Old Church Slavonic	китъ	whale
18	Ancient Greek	κῆτος	whale, sea monster; abyss

via Anglo-Norman extente

Step	Language	Word	Meaning
1	Anglo-Norman	extente	—
2	Old French	extendre	extend

Words derived from “extente”

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