Etymology: < gallo-, taken as combining form of Latin gallagalln.3 + tannicadj.
In gallo-tannic acid, tannic acid prepared from nut-galls.
ΚΠ
1858 in P. L. Simmonds Dict. Trade Products
1868 H. B. Jones & H. WattsFownes's Man. Elem. Chem. (ed. 10) 679Gallotannic acid, C27H22O17, the acid contained in the gall-nuts of Quercus infectoria and other species of oak.
This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2022).