From Middle High German grasen, from Old High German grasōn, from Proto-West Germanic *grasōn, from Proto-Germanic *grasōną.
grasen (weak, third-person singular present grast, past tense graste, past participle gegrast, auxiliary haben)
| infinitive | grasen | ||||
|---|---|---|---|---|---|
| present participle | grasend | ||||
| past participle | gegrast | ||||
| auxiliary | haben | ||||
| indicative | subjunctive | ||||
| singular | plural | singular | plural | ||
| present | ich grase | wir grasen | i | ich grase | wir grasen |
| du grast | ihr grast | du grasest | ihr graset | ||
| er grast | sie grasen | er grase | sie grasen | ||
| preterite | ich graste | wir grasten | ii | ich graste1 | wir grasten1 |
| du grastest | ihr grastet | du grastest1 | ihr grastet1 | ||
| er graste | sie grasten | er graste1 | sie grasten1 | ||
| imperative | gras (du) grase (du) |
grast (ihr) | |||
1Rare except in very formal contexts; alternative in würde normally preferred.
From Old English grasian, from Proto-Germanic *grasōną; equivalent to gras + -en (infinitival suffix).
grasen
1Sometimes used as a formal 2nd-person singular.