17th century, exact etymology is uncertain. Perhaps from Baum (“tree”) + -eln (frequentative) as in “dangle from a tree”, but more likely an East Central German byform of bammeln, bummeln (both originally “to dangle”).[1]
baumeln (weak, third-person singular present baumelt, past tense baumelte, past participle gebaumelt, auxiliary haben)
| infinitive | baumeln | ||||
|---|---|---|---|---|---|
| present participle | baumelnd | ||||
| past participle | gebaumelt | ||||
| auxiliary | haben | ||||
| indicative | subjunctive | ||||
| singular | plural | singular | plural | ||
| present | ich baumle ich baumele ich baumel |
wir baumeln | i | ich baumele ich baumle |
wir baumeln |
| du baumelst | ihr baumelt | du baumelest du baumlest |
ihr baumelet ihr baumlet | ||
| er baumelt | sie baumeln | er baumele er baumle |
sie baumeln | ||
| preterite | ich baumelte | wir baumelten | ii | ich baumelte1 | wir baumelten1 |
| du baumeltest | ihr baumeltet | du baumeltest1 | ihr baumeltet1 | ||
| er baumelte | sie baumelten | er baumelte1 | sie baumelten1 | ||
| imperative | baumle (du) baumel (du) baumele (du) |
baumelt (ihr) | |||
1Rare except in very formal contexts; alternative in würde normally preferred.