Reconstruction:Proto-Ryukyuan/sukama

Etymology
A surface analysis suggests that this might be a compound with the first two morae belonging to a verb stem *suk- in its ; compare, , , , , , , all with an underlying idea of "going through", and this root can likely be applicable to this word, as the sun rises and passes during the morning to daytime. The latter mora likely belongs to. Compare. The variable senses parallel the derivation of from.

Yosuke Igarashi reconstructs this word as *sekama with tone class C, however a closer analysis using comparative, internal, and historical methods show that the first morae is a high back vowel, not a mid front vowel, and that the accent differs for the individual senses, and this strengthens the possibility that this was derived from a compound.

Pronunciation

 * Tone class: B ; C

Noun

 * 1) morning :
 * 2) daytime
 * 3) business :
 * 4) paying debt
 * 1) business :
 * 2) paying debt

Descendants

 * Northern Ryukyuan: (Omoro Sōshi, 1531)
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan:
 * Southern Ryukyuan: