The Collaborative International Dictionary
Infelt
Infelt \In"felt`\, a. [Pref. in- in + felt.] Felt inwardly; heartfelt. [R.]
The baron stood afar off, or knelt in submissive,
acknowledged, infelt inferiority.
--Milman.
Wiktionary
infelt
a. (context archaic English) feel inwardly; heartfelt.