Ruodger

• Hrōdkaer, Hrōdker, Rohdker (Bavarian, 8th C.)
• Rōdker (Bavarian, Alemannic, 8th-9th C.)
• Ruotker (Bavarian, 8th or 9th C.)
• Ruodker (Bavarian, Alemannic, 9th C.)
• Ruodigēr (8th-11th C.)
• Ruodeger (9th-11th C.)

First attested in the 9th C. CE. From Proto-West Germanic *Hrōþigaiʀ, from Proto-Germanic *Hrōþigaizaz. Equivalent to *ruod (“fame, renown”) +‎ gēr (“spear”).

Ruodgēr m (Rhine Franconian, Alemannic)

1. a male given name [9th–11th C. CE]

In manuscript forms uo is frequently written with the o above the u.

• Middle High German: Ruedger
  • German: Rüdiger, Rütger
    • → Dutch: Rutger
  • → Medieval Latin: Ruodigerus (11th-12th C.), Rutkerus (12th C), Ruodegerus, Rŏdegerus, Rŏdgerus, Rudigerus (12-13th C.), Ruokerus, Ruogerus (12th and 14th C.), Ruodgerus, Rudgerus, Rudegerus (12th-14th C.), Rugderus (13th C.), Rugerus (13th-15th C.), Ruogerius, Ruegerus (14th C.)