to call upon clear

ġeċīeġan

V (v-weak-1)

to call upon; to call, to name; to name; to invoke; to summon; to convene

Source: https://en.wiktionary.org/wiki/geciegan#Old_English

Derived with affix from:

ġe- 'ge-' + ċīeġan 'to call'

Paradigms