sentences:  The name also appeared as "Fronenbach" (1457 and 1490).The word "fron" meant “belonging to the lord”.This word element still appears in German in "Frondienst" (compulsory labour, originally for a lord) and "Fronleichnam" (literally “dead body belonging to the Lord”, and thus meaning “Corpus Christi”); the word "Fron" by itself even still exists, although now it is a noun meaning “drudgery”.