Where does “promonarchical” come from?

promonarchical (English) comes from English pro, from English professional, from English profession, from Anglo-Norman professioun, from Old French profession, from Latin professiō, from Latin -tiō, from Latin dissertātiō — small stone, pebble; gravel, rubble.

Ancestry of “promonarchical”, step by step

promonarchical traces back through two separate lines of ancestry.

via English pro

StepLanguageWordMeaning
1EnglishproAn advantage of something, especially when...
2EnglishprofessionalA person who belongs to a profession; A person...
3EnglishprofessionA declaration of belief, faith or one's opinion,...
4Anglo-Normanprofessioun
5Old Frenchprofessionprofession; declaration
6Latinprofessiōdeclaration, avowal, profession (act of professing)
7Latin-tiōtion, -ation, -ing
8Latindissertātiō(spoken) dissertation, discourse, disquisition
9Latindissertusarranged, disposed; explained
10Latindissereresecond-person singular future passive indicative...
11Latindis-asunder, apart, in two; reversal, removal;...
12Latincalceusshoe
13Latincalxlimestone; chalk; the finish line
14Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English monarchical

StepLanguageWordMeaning
1EnglishmonarchicalOf or pertaining to a monarch or monarchy; Having...
2EnglishmonarchThe ruler of an absolute monarchy or the head of...
3Middle Frenchmonarque
4Latinmonarchamonarch, ruler
5Ancient GreekμονάρχηςAlternative form of μόναρχος
6Ancient Greek-άρχης-arch
7Ancient Greek-ήςadjective suffix
8Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
9Proto-Indo-European-ess
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-