Linking schwa in Dutch compounds:

In Dutch, compounds are formed with or without linking elements, cf. zin+s+bouw ‘sentence structure’, woord+en+boek ‘dictionary ’ (lit. ‘word book’) and woord+bouw ‘word structure’. The use of linking elements has been the subject of investigations since the dissertation on Dutch compounds by van Lessen (1927), who concludes that linking elements are historic relics of stem allomorphy and case. Rule-based approaches taking a synchronic poin