Although “smith-work” is found in OED, the specific work of a blacksmith is not, so this is a JRRT original hyphenated word.
- 01.124 often enough sinking as low as blacksmith-work or even coalmining.
hyphen
Black-haired
Hyphenated just so in OED.
- 07.022 sometimes he is a great strong black-haired man with huge arms
“black, adj. and n.” OED Online. Oxford University Press, June 2017. Web. 5 September 2017.
Birthday-present
In the 1937 edition of The Hobbit, this word phrase does not appear.
In the OED, it has a compound word entry “birthday present” with an example of “birth-day present”, but in no case hyphenated as JRRT uses it here.
- 05.085 My birthday-present!’
- 05.087 My birthday-present!
- 05.109 My birthday-present.’
- 05.111 My birthday-present!
“birthday, n.” OED Online. Oxford University Press, June 2017. Web. 5 September 2017.
Bird-speech
- 15.014 and not bird-speech)
It is not found as a compound form under “speech” – nor is any similar, like “whale speech” or “French speech”, so the meaning as “language of the birds” is JRRT original (or the similarly obscure invention of another, but raised into notice by JRRT).
Bird-nesting
The occupation of searching for birds’ nests. It is hyphenated thus in OED.
[06.076] ‘Go away! little boys!’ shouted Gandalf in answer. ‘It isn’t bird-nesting time.
- 06.076 It isn’t bird-nesting time.
“ˈbird’s-ˌnesting | bird-nesting, n.” OED Online. Oxford University Press, June 2017. Web. 5 September 2017.
Tree-top
- 06.082 Other birds flew to the tree-tops
- 19.011 The wind’s in the tree-top, the wind’s in the heather;
Hyphenated or two words will do for OED.
“ˈtree-top | tree top, n.” OED Online, Oxford University Press, June 2017, http://www.oed.com/view/Entry/205437. Accessed 21 September 2017.
Tree-trunk
- 02.040 through the tree-trunks not far ahead.
- 02.079 it was thick as a young tree-trunk –
- 06.072 and brushwood round the tree-trunks.
- 07.045 propped on wooden posts made of single tree-trunks.
- 08.003 and scuttling behind tree-trunks.
- 08.109 of the branch nearest the tree-trunk
Hyphenated in its sub-entry in OED.
“tree, n.” OED Online, Oxford University Press, June 2017, http://www.oed.com/view/Entry/205416. Accessed 21 September 2017.
Bell-shaped
- 07.031 and rows of hives with bell-shaped tops made of straw.
This one’s OED entry is hyphenated exactly thus
“bell, n.1.” OED Online. Oxford University Press, June 2017. Web. 5 September 2017.
Troll-make
- 03.035 and he said: “These are not troll-make.
Not found in OED.
Tub-trading
- 12.059 of those miserable tub-trading Lake-men,
No such word in OED.
words that you were saying 