köken: Probably from Vulgar Latin *carudium, from Ancient Greek καρύδιον (karúdion), from κάρυον (káruon, “nut”); alternatively, from a substrate language: compare carolo. Cognate with Portuguese caroço, Galician carozo. Doublet of garojo, which was inherited via a different development.
köken: From Old Galician-Portuguese espiga, from Latin spīca (“spike”), possibly from Proto-Indo-European *spey- (“sharp, sharp stick”). Cognate with Galician, Spanish, and Catalan espiga, Occitan espic, French épi, Italian spiga and Romanian spic.
rachis, axis, peduncle (elongated axis of an inflorescence in which the individual flowers attach) · corncob (central cylindrical core of an ear of corn (maize) on which the kernels are attached in rows)
köken: Inherited from Latin palumbus (“wood-pigeon, ringdove”), palumbes, ultimately from Proto-Indo-European *pal-wo (“dark-colored, gray”). The sense of "maize" or "corn" developed probably due to the similarity in appearance of a corn cob to the bird (a similar development occurred in Bulgarian or was calqued: гълъб (gǎlǎb, “dove”) and гълъби (gǎlǎbi, “corn/maize”). Compare also Spanish and Galician…