In these forms, only the 1st singular indicatives differ significantly: Gothic -o points to Proto-Germanic *-o, but Old High German -om points to *-omi, and Old Icelandic -a could come from either. Less uniform is the optative where a mode sign is involved in addition to stem vowel and personal endings. The Gothic set, lako, lapos, lako, lakoma, lakop, laiona, shows only verb stem and personal endings, with no overt optative morpheme (hence the 1st singular and second person of the active are identical in form with the indicative). Old Icelandic laka, laper, lake, lakem, lakek, lake has the same endings as the optative of ordinary thematic verbs, with no trace of a stem final *o. In Old High German there is a set lado, lados, lado, ladom, ladot, ladon, exactly like the Gothic, and also a longer type, lado(g)e, lado(g)es, lado(g)e, lado(g)em, lado(g)et, lado(g)en, in which the stem vowel o' is followed (sometimes with an intervening /j/, mostly written g) by the optative morpheme e of simple thematic presents. The longer forms are the usual ones in Alemannic, less frequent than the shorter set in Bavarian, and all but unknown in Frankish; the intervening g or i is typically Bavarian and late Alemannic.2 2. Anglo-Frisian has a quite different pattern. Here the only presential forms made on the stem ending in o are the 2d and 3d singular indicative and the 2d singular imperative, the forms which in simple thematic presents have a reflex of PIE e (Gmc. i) as thematic vowel; elsewhere, in forms where the thematic
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