Felindre is a hamlet located on the eastern banks of the river Dulais, approximately five miles south west of Llandeilo. Its name (meaning 'mill settlement') might refer to the corn mill that was situated on the northern edge of the hamlet. This corn mill appeared on the first and second editions of the 25inch OS maps, published in 1888 and 1906 respectively.
Sources: modern and historic OS maps; glossary on the list of historic place names in Wales website (enwaulleoeddhanesyddol.cbhc.gov.uk)
M. Ryder, RCAHMW, 29th November 2018