Postmedial

Head, thorax, and abdomen yellow and white. Fore wing white, with the costal half to end of cell suffused with fuscous; an obscure fuscous triangular postmedial mark with its apex on inner margin, its inner limb with a black speck […]

[…] and PA *naːwal(a)w- and Y noːʔrep- 'following one behind the other' 055 (where PA adds postmedial *-(a)w, and Yurok the intransitive final -ep).

The medial suffix, ...kon..., carries the meaning "day": e.g., n'ka-nîšokonin I'll be away two days (and nights). […] The suffix also occurs with a postmedial extension, ...ak: e.g., nîšokonakisiw niski-pîsim it is the second day of April […] literally, the goose moon is in a state (...si-) of day two.