Stach

Etymology
From, from + ; or , from. In some cases, from the German form of Latin Eustatius or Eustachius.

Etymology
From, from. Cognate with 🇨🇬, 🇨🇬, 🇨🇬.

is regular. The plural shows the umlauting influence of the suffix -i in  (at the time probably pronounced  vs. ). Compare, and strong verbs like  →.

Noun

 * 1) stitch, prick, stab

Etymology 1
+.