saïns, saïntre
LvP
adv.
'céans'
Rn 3:567a [saintz, sains, sayns ]; Lv 7:425b [sai intre s. v. sai]
FEW 4:783b, 4:784a, 4:784b [ɪ̆ɴᴛᴜѕ].