From til + høre. Compare Norwegian Bokmål tilhøre, Swedish tillhöra, Icelandic tilheyra. German has similar derivations from the same verb, which may have influenced the Scandinavian forms: gehören, angehören, zugehören.
tilhøre (present tilhører, past tilhørte, past participle tilhørt)
- to belong to
From til- + høre, like Danish tilhøre, Swedish tillhöra and Icelandic tilheyra.
tilhøre (imperative tilhør, present tense tilhører, simple past tilhørte, past participle tilhørt, present participle tilhørende)
- to belong to