render fertile and preserve by placing between layers of earth or sand | undergo a change; become different in essence; losing one's or its original nature |
form layers or strata | cause to change; make different; cause a transformation |
form, arrange, or deposit in layers | become different in some particular way, without permanently losing one's or its former characteristics or essence |
divide society into social classes or castes | change clothes; put on different clothes |
develop different social levels, classes, or castes | exchange or replace with another, usually of the same kind or category |
| lay aside, abandon, or leave for another |
| remove or replace the coverings of |
| become deeper in tone |
| change from one vehicle or transportation line to another |
| give to, and receive from, one another |