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What does the hyphen in [this dictionary
entry](https://kotobank.jp/word/%E5%8A%AA%E5%8A%9B%E5%AE%B6-1721316) mean?

> どりょく‐か 努力家

In official Japanese-language typesetting, which Unicode character should it
be? I suspect it is not the minus sign character on most English-language
keyboard.
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dictionary punctuation
What does the hyphen in this dictionary entry mean?
It's just a hyphen to split the word stem from the suffix 家. It's not written
that way in normal text, but you do see it in dictionaries or word lists.
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To answer your typographic question, my local electronic copy of the Daijirin
dictionary does indeed use the regular minus or hyphen character, ASCII
decimal code 45, Unicode point U+002D HYPHEN-MINUS. My other electronic
dictionary, Shogakukan's 国語【こくご】大【だい】辞典【じてん】, uses Unicode point U+2010
HYPHEN.

Online versions of Daijirin don't seem to use hyphens at all. This dictionary
doesn't have an entry for 努力家, so for comparison, here's [the Daijirin entry
for
政治家](https://kotobank.jp/word/%E6%94%BF%E6%B2%BB%E5%AE%B6-85850#E5.A4.A7.E8.BE.9E.E6.9E.97.20.E7.AC.AC.E4.B8.89.E7.89.88),
with no hyphens or spaces to show the suffix, and here's [the Daijisen entry
for
政治家](https://kotobank.jp/word/%E6%94%BF%E6%B2%BB%E5%AE%B6-85850#E3.83.87.E3.82.B8.E3.82.BF.E3.83.AB.E5.A4.A7.E8.BE.9E.E6.B3.89)
showing the Unicode HYPHEN character to show the suffix. I note that Daijisen
is also published by Shogakukan, so this publisher might just prefer this
character.
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