Meaning of 上働 in Japanese

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Definition of 上働

いんでんき(indenki) 【陰電気】

(n) negative (static) charge; negative electric charge; (sometimes called "negative electricity")

うえ(ue) 【上】

(n, adj-no, n-adv, n-suf) above; up; over; elder (e.g. daughter)
お席の上の棚の中に入っております。
It's in the overhead compartment.
top; summit
あなたには禍の前兆である壁上の書きものが読めるかもしれないが、私にはちんぷんかんぷんだ。
You may be able to read the handwriting on the wall, but it is Greek to me.
surface; on
机の上にペンが何本ありますか。
Are there any pens on the desk?
before; previous
superiority; one's superior (i.e. one's elder)
on top of that; besides; what's more
寒かったうえに、風が強かった。
It was cold, and, in addition, it was windy.
upon (further inspection, etc.); based on (and occurring after)
matters concerning...; as concerns ...
since (i.e. "for that reason")
(n-suf) suffix indicating higher social standing →Related words: 父上
place of one's superior (i.e. the throne)
emperor; sovereign; shogun; daimyo
noblewoman (esp. the wife of a nobleman)

うわ(uwa) 【上】

かみ(kami) 【上】

(n) upper reaches (of a river); upper stream
top; upper part; upper half (of the body)
long ago
beginning; first
person of high rank (e.g. the emperor) →Related words: 御上
government; imperial court
imperial capital (i.e. Kyoto); capital region (i.e. Kansai); region (or direction of) the imperial palace →Related words: 上方
head (of a table)
wife; mistress (of a restaurant)

じょう(jou) 【上】

(n-suf) from the standpoint of; as a matter of (e.g. fact); in the field of; being of the type of
aboard (a ship or vehicle); on top of; on; above
(n) first volume (e.g. book) →Related words: 下
(n, pref) superior quality; best; top; high class
going up
governmental; imperial
presenting; showing
(pref) ana- (medical, biol.)

せいでんき(seidenki) 【正電気】

(n) positive electric charge; positive (static) charge; (sometimes called "positive electricity")

かわ(kawa) · がわ(gawa) 【川 ·河】

(n) river; stream
この川はあの川の３倍長い。
This river is three times longer than that one.
(suf) the .... river; (suffix used with the names of rivers)
信濃川と阿賀野川ではどちらが長いですか。
Which is longer, the Shinano River or the Agano River?