pedology

From pedo- (“soil”) +‎ -ology.

English Wikipedia has an article on:

Pedology (soil study)

Wikipedia

pedology (uncountable)

1. The sub-discipline of soil science that studies soils as a component of natural systems or deals with soil genesis and soil classification, or studies the soil profiles or solum in its natural setting.

• cryopedology
• edaphology
• soil scientist

From pedo- (“child”) +‎ -logy, from Ancient Greek: παῖς (paîs, “child”) and -λογία (-logía, “branch of study, to speak”).

• pædology (British)
• paedology (British)
• paidology

pedology (uncountable)

1. The study of the behaviour and development of children.

English Wikipedia has an article on:

Pedology (children study)

Wikipedia

• pedologic, pedological
• pedologist