rauchen

Etymology
From, , from , from. .

The form without umlaut is due to (chiefly Upper German) umlaut hindrance before velars and/or readaptation to the noun. Some dialects use either form throughout, others came to distinguish both forms (transitive vs. intransitive). In the latter case, the umlauted form usually took on the transitive use. In Modern Standard German, was displaced by the extended form  (see there). The use for “to inhale tobacco” (later 17th c.) is a.

Verb

 * 1)  to smoke, give off smoke
 * 2)  to smoke (tobacco etc.)
 * 1)  to smoke (tobacco etc.)