Where does “buttkicker” come from?

buttkicker (English) comes from English kicker, from English kick, from English kick the bucket, from English bucket, from Middle English boket, from Anglo-Norman buket, from Old French buc, from Latin buccus — young he-goat.

buttkicker (English): Something impressive, that kicks butt

Definitions

Something impressive, that kicks butt

Ancestry of “buttkicker”, step by step

buttkicker traces back through two separate lines of ancestry.

via English kicker

Step	Language	Word	Meaning
1	English	kicker	One who kicks; One who takes kicks; The kicking...
2	English	kick	To strike or hit with the foot or other extremity...
3	English	kick the bucket	To die; Of a machine, to break down such that it...
4	English	bucket	A container made of rigid material, often with a...
5	Middle English	boket	bucket
6	Anglo-Norman	buket	tub, pail; bucket
7	Old French	buc	abdomen; object with a cavity; trunk, torso;...
8	Latin	buccus	he-goat
9	Frankish	bukk	male goat; buck, goat; buck, male goat
10	Proto-Germanic	*bukkaz	—
11	Proto-Indo-European	bʰuǵ-	buck, he-goat
12	Proto-North Caucasian	bVχc̣V	—
13	Proto-North Caucasian	bVc̣V	young he-goat

via English butt

Step	Language	Word	Meaning
1	English	butt	The larger or thicker end of something; the blunt...
2	Middle English	butten	—
3	Anglo-Norman	buter	to strike, finish
4	Old French	boter	to push, butt, strike; to strike; to push; thrust
5	Old French	bouter	to strike; to hit; to place; to put; to enter
6	Frankish	bautan	to push, strike, beat; to hit, strike; to hit,...
7	Proto-West Germanic	bautan	to beat
8	Proto-Germanic	bautaną	to beat, push
9	Proto-Indo-European	bʰewd-	to hit, strike; to beat, push; to strike, push,...
10	Proto-Indo-European	bʰew-	to grow, swell; to swell, wax, grow; to blow; to...

Every word from Proto-North Caucasian bVc̣V →Every word from Proto-North Caucasian bVχc̣V →Every word from Proto-Indo-European bʰuǵ- →