knowledge

Ancestral Lore

early 12^th century, cnawlece "acknowledgment of a superior, honor, worship"

1400s, "capacity for knowing, understanding; familiarity"
also: "sexual intercourse, sexual intimacy"
frequently with of

also: "personal acquaintance; friendship, intimacy; those with whom a person is acquainted, one's acquaintances"

late 16^th century, "(a person's) range of mental perception; awareness; ken"

Middle English also had a verb form, knoulechen "acknowledge" (c. 1200)
sense evolved to "find out about; recognize" and "have sexual intercourse with" (c. 1300)