Why is it der Waisenjunge?

Waisenjunge is a compound noun, and German compounds take the article of their last word: der Junge. So it’s der Waisenjunge.

Sense 1
der

Meaning

[1] Parentless young, male person

[1] elternlose junge, männliche Person

Examples

[1] "He recognized the orphan's talent and taught him what he knew"

[1] „Er erkannte das Talent des Waisenjungen und brachte ihm bei, was er selbst wußte.“

Declension

1 Singular Plural
Nominativ der Waisenjunge die Waisenjungen
Genitiv des Waisenjungen der Waisenjungen
Dativ dem Waisenjungen den Waisenjungen
Akkusativ den Waisenjungen die Waisenjungen

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary