D defs.my
Entry 2 senses Webster, 1913

Pertain

/pẽrt-ān'/ · Per·tain · IPA /pɚˈteɪn/
01 v. i. To belong; to have connection with, or dependence on, something, as an appurtenance, attribute, etc.; to appertain; as, saltness pertains t…
imp. & p. p. Pertained; p. pr. & vb. n. Pertaining
  1. 1.
    To belong; to have connection with, or dependence on, something, as an appurtenance, attribute, etc.; to appertain; as, saltness pertains to the ocean; flowers pertain to plant life.
    “Men hate those who affect that honor by ambition which pertaineth not to them.” — Hayward.
  2. 2.
    To have relation or reference to something.
    “These words pertain unto us at this time as they pertained to them at their time.” Latimer.