Where does “semidangerous” come from?

semidangerous (English) comes from English dangerous, from Middle English dangerous, from Old French dangereus, from Old French dangier, from Latin domniārium, from Latin Dominus, from Latin domus, from Proto-Italic domos — to build; to arrange, to put together.

semidangerous (English): Half or partly dangerous

Definitions

  1. Half or partly dangerous

Ancestry of “semidangerous”, step by step

semidangerous traces back through two separate lines of ancestry.

via English dangerous

StepLanguageWordMeaning
1EnglishdangerousFull of danger; Causing danger; ready to do harm...
2Middle Englishdangerousdifficult, severe, domineering, arrogant, fraught...
3Old Frenchdangereusthreatening, difficult
4Old Frenchdangierdifficulty; problem; danger
5Latindomniārium
6LatinDominusthe Lord; Lord; The Lord
7Latindomushouse, home; any building or abode; native place,...
8Proto-Italicdomoshouse, home
9Proto-Indo-Europeandṓmhome; house
10Proto-Indo-Europeandem-to build; to arrange, to put together

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 dem-