संस्‍कृतशब्‍दकोशः

ऋतुगामिन्

उचित समय पर स्त्री से सहवास करने वाला

having intercourse with one's wife at the time fit for conception

Monier–Williams

ऋतुगामिन् — { ṛtú-gāmin } mfn. approaching ( a woman sexually ) at the fit time ( i. e. after her courses )