ラテン語のstudiare「研究する」、studere「勤勉である」、PIE*steu「押す」「打つ」「叩く」「ノックする」から。
Martha swanc and becarcade to geforeigene tan H?lende and his teowen ta lichamlice behefeen. Seo studdede emb ta uterlice ting. [Homily for the Feast of the Virgin Mary, c.1125]From c. 1300 as "apply oneself to the acquisition of learning, pursue a formal course of study," also "read a book or writings intently or meditatively." From mid-14c. as "reflect, muse, think, ponder." Meaning "regard attentively" is from 1660s. Related: Studied; studying.