Onomatopoeic. The sense to blunder was back-formed from flater, itself derives from flateren in the older sense.
flateren
Conjugation of flateren (weak) | ||||
---|---|---|---|---|
infinitive | flateren | |||
past singular | flaterde | |||
past participle | geflaterd | |||
infinitive | flateren | |||
gerund | flateren n | |||
present tense | past tense | |||
1st person singular | flater | flaterde | ||
2nd person sing. (jij) | flatert, flater2 | flaterde | ||
2nd person sing. (u) | flatert | flaterde | ||
2nd person sing. (gij) | flatert | flaterde | ||
3rd person singular | flatert | flaterde | ||
plural | flateren | flaterden | ||
subjunctive sing.1 | flatere | flaterde | ||
subjunctive plur.1 | flateren | flaterden | ||
imperative sing. | flater | |||
imperative plur.1 | flatert | |||
participles | flaterend | geflaterd | ||
1) Archaic. 2) In case of inversion. |