Þurh-wlítan

According to the Old English Dictionary:

þurh-wlítan

to look through, penetrate with the sight :-- Glæs ðæt mon mæg eall þurhwlítan, Exon. Th. 79, 2; Cri. 1284. Wé ne magun hygeþonces ferð eágum þurhwlítan, 82, 1; Cri. 1332. þurh-wlitan