Words and Proper Names

rith

4160.
de Bhaldraithe (Tomás): Varia: I. 2. reathairt, ráchairt.
In Ériu 32 (1981), pp. 150–151.
Argues these are related to rith ‘run’.
782.
de Bhaldraithe (Tomás): Varia: I. 1. reachtálann, reáchtálann, ráchtálann.
In Ériu 32 (1981), pp. 149–152.
11966.
Blažek (Václav), Dočkalová (Lenka): On Indo-European roads.
In JIES 39/3-4 (Fall/Winter, 2011), pp. 299–341.
Includes a discussion of the etymology of the Old Irish terms áth, belach, bóthar, casán, conar, drochet, éol, rith, sét, séol, slige.