Where does “semi-dreadnought” come from?

semi-dreadnought (English) comes from English dreadnought, from English dread, from Middle English dreden, from Old English drǣdan, from Old English ondrǣdan, from Proto-West Germanic andarādan, from Proto-West Germanic anda-, from Proto-Germanic anda- — on, onto.

semi-dreadnought (English): A type of advanced pre-dreadnought battleship from the very early 20th century, carrying a main armament composed entirely of big guns of different calibers (typically having four guns of the largest caliber, plus a larger number of smaller big guns). It was superior to earlier pre-dreadnoughts, but

Definitions

  1. A type of advanced pre-dreadnought battleship from the very early 20th century, carrying a main armament composed entirely of big guns of different calibers (typically having four guns of the largest caliber, plus a larger number of smaller big guns). It was superior to earlier pre-dreadnoughts, but

Ancestry of “semi-dreadnought”, step by step

semi-dreadnought traces back through two separate lines of ancestry.

via English dreadnought

StepLanguageWordMeaning
1Englishdreadnoughta battleship, especially of the World War I era,...
2EnglishdreadTo fear greatly; To anticipate with fear; To be...
3Middle EnglishdredenTo fear or dread
4Old Englishdrǣdanto fear, dread
5Old Englishondrǣdanto fear, dread
6Proto-West Germanicandarādanto be afraid, fear; to be in awe
7Proto-West Germanicanda-against, opposing; in return, back; facing,...
8Proto-Germanicanda-against, opposing; un-, de-
9Proto-Indo-Europeanh₂éntiopposite; near; in front
10Proto-Indo-Europeanh₂éntsforehead; front
11Proto-Indo-Europeanh₂ent-face; forehead; front
12Proto-Indo-Europeanh₂en-on, onto

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 h₂en-