Where does “expensefulness” come from?

expensefulness (English) comes from English expenseful, from English expense, from Middle English expense, from Old French espense, from Late Latin expensa, from Latin expensus, from Latin expendere, from Latin expendo — beside, near, by, with.

expensefulness (English): The quality of being expenseful

Definitions

The quality of being expenseful

Ancestry of “expensefulness”, step by step

expensefulness traces back through two separate lines of ancestry.

via English expenseful

Step	Language	Word	Meaning
1	English	expenseful	Full of expense; costly; chargeable
2	English	expense	A spending or consuming, often a disbursement of...
3	Middle English	expense	—
4	Old French	espense	—
5	Late Latin	expensa	nominative feminine singular of expēnsus;...
6	Latin	expensus	weighed; paid; judged
7	Latin	expendere	third-person plural perfect active indicative of...
8	Latin	expendo	I weigh; I pay out; I judge
9	Latin	ex-	out, away; throughout; thoroughly
10	Latin	e	The name of the letter "E"; out of, from
11	Latin	ex	A name of the letter "X"; out of, from
12	Latin	commūnicō	to impart, share
13	Latin	commūnis	common, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
14	Old Latin	com(m)oinis	—
15	Proto-Italic	kommoinis	common
16	Proto-Indo-European	ḱom-moy-ni-	held in common
17	Proto-Indo-European	ḱóm	beside, near, by, with

via English Ness

Step	Language	Word	Meaning
1	English	Ness	An Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2	Middle English	nesse	—
3	Old English	næs	not, not at all; not; first/third-person singular...
4	Proto-Germanic	nasją	foothill; headland; cape
5	Proto-Indo-European	néh₂s	nose

Every word from Proto-Indo-European ḱóm →Every word from Proto-Indo-European ḱom-moy-ni- →Every word from Proto-Italic kommoinis →