Cement Hardens is historically related to Clay.
glue-cements seats orphan cement-hardens beside clay as a first craft peer — object speech, not a text-container or tradition dump.
from F. Dawidowsky (tr. PD) · Glue, Gelatine, Animal Charcoal, Phosphorous, Cements, Pastes and Mucilages, PD Gutenberg #53363
historically related to · sourced · documented