(Aramaic) or (shorter) niychoach (Aramaic) {nee-kho'-akh}; corresponding to nichowach; pleasure -- sweet odour (savour).
see HEBREW nichowach
H5208. nichoach
[נִרחוֺךְַ] noun [masculine] soothing, tranquillizing (probably Hebraism, see Biblical Hebrew id., √ נוּחַ (√ also ᵑ7 Syriac)); — plural נִיח(וֺ)חִין Ezra 6:10; Daniel 2:46 i.e. soothing offerings.