Where does “semiexpanded” come from?

semiexpanded (English) comes from English semi, from English semi-, from Latin sēmi-, from Proto-Indo-European sēmi — half; partially.

semiexpanded (English): Somewhat or partly expanded

Definitions

  1. Somewhat or partly expanded

Ancestry of “semiexpanded”, step by step

semiexpanded traces back through two separate lines of ancestry.

via English semi

StepLanguageWordMeaning
1EnglishsemiA semi-detached house; A semitrailer; a...
2Englishsemi-half; partial, incomplete; somewhat, rather,...
3Latinsēmi-half
4Proto-Indo-Europeansēmihalf; partially

via English expanded

StepLanguageWordMeaning
1Englishexpandedsimple past tense and past participle of expand
Every word from Proto-Indo-European sēmiEvery word from English semi-Every word from English semi