ptych-
combining form
or ptycho-
Etymology: Greek ptych-, from ptychē, from ptyssein to fold
: fold : layer
< Ptychosperma >
or ptycho-
< Ptychosperma >
| 词汇 | ptych- |
| 词根词缀 | Webster ptych- or ptycho- < Ptychosperma > |
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