the primitive cell, or group of cells, that give rise to the cells from which spores are derived.
Origin of archespore
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
noun plural -spores or -sporia (-ˈspɔːrɪə)
botany the cell or group of cells in a sporangium that gives rise to spores
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012