17th century, from Low German wispern, chiefly displacing the above variant, from Middle High German and Middle Low German wispelen, ultimately of imitative origin (lautmalend).
The r-form could be a late alteration, but could also be old in view of Old English hwisprian, whence English whisper.
wispern (weak, third-person singular present wispert, past tense wisperte, past participle gewispert, auxiliary haben)
infinitive | wispern | ||||
---|---|---|---|---|---|
present participle | wispernd | ||||
past participle | gewispert | ||||
auxiliary | haben | ||||
indicative | subjunctive | ||||
singular | plural | singular | plural | ||
present | ich wispre ich wispere ich wisper |
wir wispern | i | ich wispere ich wispre |
wir wispern |
du wisperst | ihr wispert | du wisperest du wisprest |
ihr wisperet ihr wispret | ||
er wispert | sie wispern | er wispere er wispre |
sie wispern | ||
preterite | ich wisperte | wir wisperten | ii | ich wisperte1 | wir wisperten1 |
du wispertest | ihr wispertet | du wispertest1 | ihr wispertet1 | ||
er wisperte | sie wisperten | er wisperte1 | sie wisperten1 | ||
imperative | wispre (du) wisper (du) wispere (du) |
wispert (ihr) |
1Rare except in very formal contexts; alternative in würde normally preferred.