richen

From rich +‎ -en.

• (Received Pronunciation) IPA^(key): /ˈɹɪt͡ʃən/

richen (third-person singular simple present richens, present participle richening, simple past and past participle richened)

1. (transitive) To make or render rich or richer.
2. (intransitive) To become rich or richer; become superior in quality, condition or effectiveness.
3. (intransitive, of a colour) To gain richness; become heightened or intensified in brilliancy.

• Rhenic, enrich, incher, nicher, rhenic

From Old High German riohhan, from Proto-Germanic *reukaną. Cognate with German riechen, Dutch rieken, English reek, West Frisian rûke, Icelandic rjúka.

• IPA^(key): /ˈʀiɕən/

richen (third-person singular present richt, past participle gericht or geroch, auxiliary verb hunn)

1. (transitive or intransitive) to smell
2. (intransitive) to stink, to smell, to reek