Proto-EChadic: *say-/*saw-
Meaning: 'stand up, rise'1, 'pull up' 2
Somrai: sò 1 [Jg]
Lele: sē 1 [WP] also 'to fly' (contam. with *ʒyaw- 'to fly', s-< *ʒ- is regular).)
Tobanga (=Gabri Nord): sáy 1 [CTC] also 'to fly' (contam. with *ʒyaw- 'to fly', s-< *ʒ- is regular).)
Kera: si 1, 2 'aufziehen' [Eb]