Where does “underbutler” come from?

underbutler (English) comes from English Butler, from Middle English butler, from Old French butiller, from Old French boteille, from Latin butticula, from Latin buttis, from Ancient Greek πυτίνη, from Proto-Indo-European bʰeHw- — to swell, puff.

underbutler (English): A subordinate or assistant butler

Definitions

A subordinate or assistant butler

Ancestry of “underbutler”, step by step

underbutler traces back through two separate lines of ancestry.

via English Butler

Step	Language	Word	Meaning
1	English	Butler	A placename
2	Middle English	butler	—
3	Old French	butiller	butler
4	Old French	boteille	bottle
5	Latin	butticula	bottle
6	Latin	buttis	cask, barrel
7	Ancient Greek	πυτίνη	a flagon, flask
8	Proto-Indo-European	bʰeHw-	to swell, puff

via English under

Step	Language	Word	Meaning
1	English	under	In or at a lower level than; As a subject of;...
2	Middle English	under	under
3	Old English	under	under, beneath
4	Proto-Germanic	under	among, between; under, beneath; under
5	Proto-Indo-European	h₁entér	between
6	Proto-Indo-European	h₁en	in; in, inside

Every word from Proto-Indo-European bʰeHw- →