Definition of "spikenel"

MEW, the Herb call'd alſo Spikenel and wild Dill.

1726, N[athan] Bailey, “MEW”, in An Universal Etymological English Dictionary: […], 3rd edition, London: […] J. Darby, […], column 1

A mixture of many articles is given by the natives, and known as "Treak Farook", or "Theriaca Andromachi". […] Poly mountain, ground pine, storax in tear, spikenel, amomum, valerian, Celtic spikenard, sealed earth, Indian leaf, gentian, aniseed, balsam, gum arabic, cardamoms, flowers St. John's wort.

1889 April 10, W. A. Morris, “On Beri-beri”, in Transactions of the Epidemiological Society of London, volume VIII (New Series), London: Shaw and Sons, […], page 112

You pluck a goose while it yet lives, then you butter and lard it well. A duck will do, but there's more meat on a goose. You set it within a ring of fires, supplied with a bowl of water with salt and spikenel in it.

2015, Penelope Wilcock, chapter 5, in The Beautiful Thread (The Hawk & the Dove Series), Oxford, Oxfordshire: Lion Fiction, Lion Hudson, published 2016, page 140