-der m (plural -ders)
- Alternative form of -er, used with words ending in -r, and sometimes -l and -n.
- Suffix appended to words to create an agent noun, indicating a person who does (or a thing that does) something.
- (North Wales, standard, colloquial) IPA(key): /dɛr/
- (South Wales) IPA(key): /dɛr/
/tɛr/ and /dɛr/ are variants of the same suffix. /tɛr/ (phonetically [tʰɛr]) is always spelt -ter whereas /dɛr/ is represented by -ter after an unvoiced fricative (phonetically [tɛr]) and by -der after other voiced sounds (phonetically [dɛr]).
-der m (plural -derau)
- forming abstract nouns, -ness, -ment
- ^ Morris Jones, John (1913) A Welsh Grammar, Historical and Comparative, Oxford: Clarendon Press, § 143 iii (9)
- ^ R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “-der”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies