ON. medial [sj], [sw] became [xʲ], [xʷ]; [-s{jw}-] > [-x{jw}-]

ON. medial [sj], [sw] became [xʲ], [xʷ]; [-s{jw}-] > [-x{jw}-]
See OS. medial [sj], [sw] became [xʲ], [xʷ] for discussion.

Phonetic Rule Elements

[-sj-] > [-xʲ-]
[-sw-] > [-xʷ-]

Phonetic Rule Examples

pisja > pixja -sj- > -xʲ- ᴹ√PIS > N. peich ✧ Ety/PIS