Shiratori (2026): *tan-ya 'this-shore' → tane 'now' (place→time, cf. Jp. 際). Held distinct from tani < *tan-i 'this-NMR' (Hokkaido tane :: Sakhalin tani is the only clear native pair). The *…n-ya > …ne shows the same nasal-conditioned y-loss family as *Cyak>Cak.