Meanings (ES + gloss)
envainar
To put (something such as a knife or sword) into a sheath.
Be aware of the smiling enemy, that openly sheatheth his weapon, / But mingleth poison in secret with the sacred salt of hospitality.
Ke okakla foo le, obon oke-woo. If thy knife cut thee thou sheathest it. N.B.—Meaning thou dost not cast it away.