ˈprimə(r), -īmə(r)- noun
Etymology: Middle English primer cession, primer season, from primer (II) + cession, season, alteration of seisine seisin — more at seisin
: a right of the crown to exact from the heir of a tenant in capite seised of a knight's fee one year's profits of the land in addition to the ordinary relief if the lands were in immediate possession or half a year's profits if the lands were in reversion expectant on a life estate