T. From the verb ἀναβαίνω, isn't it? from ἀναβαίνω. C. Yes.

T. Just so. Now, what does ἀναβαίνω mean? C. To go up, to ascend.

T. Very well; and which part of the word means to go, and which part up? C. ἀνά is up, and βαίνω go.

T. βαίνω to go, yes; now, βάσις? What does βάσις mean? C. A going.

T. That is right; and ἀνά-βασις? C. A going up.

T. Now what is a going down? C. is silent.

T. What is down? … Κατά … don't you recollect? Κατά. C. Κατά.

T. Well, then, what is a going down? Cat .. cat … C. Cat.…

T. Cata … C. Cata.…

T. Catabasis. C. Oh, of course, catabasis.