6 wochi seems to mean renovating. There is a word-play on this wochi and the homophon in the preceding line. It is explained in (I.) as hazhime ni modoru, moto ni kaheru.
144
Nunakaha no 1
soko naru tama
motomete
yeshi tama ka mo
hirihite 5
yeshi tama ka mo
atarashiki
kimi ga