Where does “bui-chūbā” come from?

bui-chūbā (Japanese) comes from English virtual, from Middle English vertual, from Medieval Latin virtualis, from Latin virtūs, from English virtue, from Middle English vertu, from Anglo-Norman vertu, from Latin virtutem — to chase, pursue; to suppress, persecute.

Ancestry of “bui-chūbā”, step by step

bui-chūbā traces back through two separate lines of ancestry.

via English virtual

StepLanguageWordMeaning
1EnglishvirtualIn effect or essence, if not in fact or reality;...
2Middle EnglishvertualHaving an inherent attribute useful as an effect;...
3Medieval Latinvirtualisworthy, virtuous
4Latinvirtūsmanhood, manliness, virility
5EnglishvirtueAccordance with moral principles; conformity of...
6Middle EnglishvertuAn ability, specialty, or feature; Power,...
7Anglo-Normanvertuvalour; honour; goodness; virtue
8Latinvirtutemaccusative singular of virtūs; virtue
9Latinvirtusmanhood, manliness, virility; courage,...
10Latinvirman in the sense of "adult male human"; adult,...
11Proto-Italicwirosa man
12Proto-Indo-EuropeanwiHrósman; husband; warrior, hero
13Proto-Indo-Europeanweyh₁-to chase, pursue; to suppress, persecute

via English YouTuber

StepLanguageWordMeaning
1EnglishYouTuberA user of the video-sharing website YouTube; A...
2English-erA person or thing that does an action indicated...
3Middle English-eragentive suffix; agent noun suffix
4Old French-erAlternative form of -ier, verbal suffix;...
5Latin-ārefirst conjugation
6Proto-Italic-āōForms primarily denominative verbs
7Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she
Every word from Proto-Indo-European weyh₁-
bui-chūbā — Etymology, Origin & Word History | Etymology Explorer