User blog comment:Eðkee/After having called on þis site for going on two or þree years now, I step forþ to offer my help./@comment-70.15.1.113-20171230190456/@comment-34075916-20171230190608

A determining prefix, yes. Mind you, wiþ a spelling reshaping I hope to get rid of þat hyphen and make it a full-fledged prefix.