SINEW (O. Eng. sinu, sionu, cf. Dutch zenuiv, Ger. Sehne, possibly allied to Skt. snava, tendon, cf. Ger. Schnur, string), a tendon, a cord-like layer of fibrous tissue at the end of a muscle forming the attachment to the bone or other hard part. The broad, flat tendons are usually called fasciae (see MUSCULAR SYSTEM AND CONNECTIVE TISSUE). The word is used figuratively of muscular or nervous strength, and particularly, in " sinews of war, " of the power of money.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)