Where does “semicoronated” come from?

semicoronated (English) comes from English coronated, from English coronate, from Latin corōnātus, from Latin corōnō, from Latin corōna, from Spanish -illa, from Old Spanish -iella, from Latin -ella — Forms agent nouns from verbal roots.

Ancestry of “semicoronated”, step by step

semicoronated traces back through two separate lines of ancestry.

via English coronated

StepLanguageWordMeaning
1Englishcoronatedsimple past tense and past participle of...
2EnglishcoronateTo crown a sovereign; Having or wearing a crown;...
3Latincorōnātuscrowned
4Latincorōnōto crown, wreathe, coronate (with a garland, wreath, or crown)
5Latincorōnachaplet, laurel, or wreath; presented to athletes, the gods, or the dead
6Spanish-illaAdded to feminine nouns to denote a diminutive...
7Old Spanish-iellaA diminutive suffix
8Latin-ellainflection of -ellus: ## nominative/vocative...
9Latin-ellusAlternative form of -ulus; "forming masculine...
10Latin-ulusUsed to form a diminutive of a noun, indicating...
11Proto-Italic-olos
12Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
13Proto-Indo-European-e-lós
14Proto-Indo-European-lósForms agent nouns from verbal roots

via English semi

StepLanguageWordMeaning
1EnglishsemiA semi-detached house; A semitrailer; a...
2Englishsemi-half; partial, incomplete; somewhat, rather,...
3Latinsēmi-half
4Proto-Indo-Europeansēmihalf; partially
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Spanish -illa