# Mergenthaler

> English word · Proper noun

## Definitions
1. A surname from German.

## Etymology
Borrowed from German Mergenthaler, variant of Morgenthaler. From Morgen (morning) + Thal (obsolete spelling of Tal, "valley") + -er (equivalent to English demonym-former -er).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/mergenthaler