ymb что это

Ответ от Владимир[гуру]
Англосаксонский язык.
Вот откуда этот текст:
An Anglo-Saxon Reader in Prose and Verse
THE CHRONICLE 3
Her cuom se here to Readingum on Westseaxe,
ond J?ses ymb iii niht ridon ii eorlas up. pa gemette hie
JE)?elwulf aldorman on Englafelda, ond him ]?er wi}? gefeaht 70
ond sige nam. pses ymb iiii niht ^EJ?ered cyning ond
Alfred his brojrnr ]?ier micle fierd to Readingum gelseddon,
ond wij? J?one here gefuhton ; ond )?ifir wses micel wsel
geslaegen on gehwse)?re bond, ond ^E)?elwulf aldormon wear)?
ofslsegen ; ond J?a Deniscan ahton wselstowe gewald. Ond 75
j?ses ymb iiii niht gefeaht ^EJ?ered cyning ond ./Elfred his
brojmr wi}? alne )?one here on ^Escesdune ; ond hie waarun
on twsem gefylcum : on 6)?rum wass Bachsecg ond Halfdene
)?a he)?nan cyningas, ond on 6)?rum wseron ]?a eorlas. Ond
|?a gefeaht se cyning ^EJ?ered wi)? )?ara cyninga getruman, 80
ond )?ger wear)? se cyning Bagsecg ofslaegen ; ond ^Elfred his
bro)?ur wi)? )?ara eorla getruman