Where does “pseudoinstruction” come from?

pseudoinstruction (English) comes from English instruction, from Middle English instruccioun, from Old French instruccion, from Latin instructio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

pseudoinstruction (English): A command that resembles, but is not in fact, a machine instruction, such as a special directive or a command that is mapped to a sequence of real instructions

Definitions

A command that resembles, but is not in fact, a machine instruction, such as a special directive or a command that is mapped to a sequence of real instructions

Ancestry of “pseudoinstruction”, step by step

pseudoinstruction traces back through two separate lines of ancestry.

via English instruction

Step	Language	Word	Meaning
1	English	instruction	The act of instructing, teaching, or furnishing...
2	Middle English	instruccioun	—
3	Old French	instruccion	—
4	Latin	instructio	A constructing, erecting, building, insertion; An...
5	Latin	-tiō	tion, -ation, -ing
6	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
7	Latin	dissertus	arranged, disposed; explained
8	Latin	disserere	second-person singular future passive indicative...
9	Latin	dis-	asunder, apart, in two; reversal, removal;...
10	Latin	calceus	shoe
11	Latin	calx	limestone; chalk; the finish line
12	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

via English pseudo

Step	Language	Word	Meaning
1	English	pseudo	An intellectually pretentious person; a...
2	English	pseudo-	False, not genuine, fake
3	Ancient Greek	ψευδής	lying, false, untrue; deceived, beguiled
4	Ancient Greek	-ής	adjective suffix
5	Proto-Indo-European	-ēs	Primarily forms adjectival bahuvrīhi compounds
6	Proto-Indo-European	-ess	—
7	Proto-Indo-European	-os	Creates action nouns or result nouns from verbs;...

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →