Where does “semideaf” come from?

semideaf (English) comes from English Deaf, from Middle English def, from Old English dēaf, from Proto-West Germanic daub, from Proto-Germanic daubaz, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

semideaf (English): Very hard of hearing: nearly deaf

Definitions

  1. Very hard of hearing: nearly deaf

Ancestry of “semideaf”, step by step

semideaf traces back through two separate lines of ancestry.

via English Deaf

StepLanguageWordMeaning
1EnglishDeafOf or relating to the culture surrounding deaf...
2Middle EnglishdefDeaf; unable to hear
3Old Englishdēafdeaf
4Proto-West Germanicdaubstunned; deaf
5Proto-Germanicdaubazstunned; deaf
6Proto-Indo-Europeandʰewbʰ-deep
7Proto-Indo-Europeandʰewh₂-smoke; mist, haze

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 dʰewh₂-Every word from Proto-Indo-European dʰewbʰ-Every word from Proto-Germanic daubaz