ptil-
combining form
or ptilo-
Etymology: New Latin, from Greek ptilon; akin to Greek pteron feather — more at feather
: down : feather
< Ptilocercus >
or ptilo-
< Ptilocercus >
词汇 | ptil- |
词根词缀 | Webster ptil- or ptilo- < Ptilocercus > |
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