early 15c., attracten, "draw (objects or persons) to oneself," also a medical term for the body's tendency to absorb fluids, nourishment, etc., or for a poultice treatment to "draw out" diseased matter; from Latin attractus, past participle of attrahere "to draw, pull; to attract," from assimilated form of ad "to" (see ad-) + trahere "to pull, draw" (see tract (n.1)).
Of physical forces (magnets, etc.), from 17c. The figurative sense of "be attractive, draw to oneself the eyes or attentions of others" is from 1690s. Related: Attracted; attracting.
mid-14c., shoren, "to prop, support with or as if by a prop," from or related to shore (n.) "a prop, a support" (late 13c.); words of obscure etymology though widespread in Germanic (Middle Dutch schooren "to prop up, support;" Middle Low German schore "a barrier;" Old Norse skorða "piece of timber set up as a support"). Related: Shored; shoring.
The noun survives in technical senses, "post or beam for temporary support of something" (mid-15c.), especially an oblique timber to brace the side of a building or excavation.
"to move in water by means of paddles," 1670s, from paddle (n.). To paddle one's (own) canoe "do for oneself make one's way by one's own exertions," is from 1828, American English.