LXXI. Several words may be joined by hyphens, in order to indicate that they are to be read together.
The I-believe-of-Eastern-derivation monosyllable "Bosh."
Additional restrictions were advocated in the cases of mothers-of-young-children employed in factories.
As this last sentence stands, the hyphen is really the only means of making it perfectly clear that those who are referred to as employed in factories are the mothers, not the children. Hyphens are sometimes used in cases like the following: "A never-to-be-forgotten event," "peace-at-any-rate principles." They are almost invariably used in "well-to-do," "alack-a-day."
LXXII. The prefix "a" before the gerund is followed by a hyphen.
They went a-hunting.
I lay a-thinking.
Note that "agoing" is not divided.
LXXIII. When a word is divided at the end of a line, part of the word being in the next line, a hyphen is placed after the part at the end of the line.
So far as rules can be given for the division of the word, it may be said: