From ver- + mummen. The term mummen is of a complex etymology. It is almost certainly related to several cognates which may ultimately be of onomatopoeic origin. the term is probably cognate with German Mumme (“mask”), French momon (“mask, masquerade”), Dutch mom (“mask”) and English mum (“a humming noise produced with closed lips”), mumble. (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
vermummen (weak, third-person singular present vermummt, past tense vermummte, past participle vermummt, auxiliary haben)
| infinitive | vermummen | ||||
|---|---|---|---|---|---|
| present participle | vermummend | ||||
| past participle | vermummt | ||||
| auxiliary | haben | ||||
| indicative | subjunctive | ||||
| singular | plural | singular | plural | ||
| present | ich vermumme | wir vermummen | i | ich vermumme | wir vermummen |
| du vermummst | ihr vermummt | du vermummest | ihr vermummet | ||
| er vermummt | sie vermummen | er vermumme | sie vermummen | ||
| preterite | ich vermummte | wir vermummten | ii | ich vermummte1 | wir vermummten1 |
| du vermummtest | ihr vermummtet | du vermummtest1 | ihr vermummtet1 | ||
| er vermummte | sie vermummten | er vermummte1 | sie vermummten1 | ||
| imperative | vermumm (du) vermumme (du) |
vermummt (ihr) | |||
1Rare except in very formal contexts; alternative in würde normally preferred.