The Collaborative International Dictionary
Endysis
Endysis \En"dy*sis\, n.; pl. Endyses. [NL., fr. Gr. ? a putting on, fr. ? to put on.] (Biol.) The act of developing a new coat of hair, a new set of feathers, scales, etc.; -- opposed to ecdysis.
Wiktionary
endysis
n. (context biology English) The act of developing a new coat of hair, a new set of feathers, scales, etc.