intransitive verb see: thin Date: 14th century 1. a. to belong as a part, member, accessory, or product, to belong as an attribute, feature, or function , to belong as a duty or right , to be appropriate to something , to have reference
PERTAIN
Meaning of PERTAIN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012