ptychopterygium
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ptychopterygium — pty·cho·pterygium … English syllables
ptychopterygium — “+ noun (plural ptychopterygia) Etymology: New Latin, from ptych + Greek pterygion little wing, fin more at pterygium : a primitive fin consisting of a low triangular flap supported by a series of unbranched rays … Useful english dictionary
ptychopterygial — |tīkō+ adjective Etymology: New Latin ptychopterygium + English al : of or relating to a ptychopterygium … Useful english dictionary